diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..c57598f
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,28 @@
+repos:
+  - repo: https://github.com/psf/black
+    rev: 21.9b0
+    hooks:
+      - id: black
+  - repo: https://github.com/pycqa/flake8
+    rev: 3.9.2
+    hooks:
+      - id: flake8
+        args: [ '--max-line-length=88' ]
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.910
+    hooks:
+      - id: mypy
+        args: [--no-strict-optional, --ignore-missing-imports]
+        additional_dependencies: [
+            types-ujson>=0.1.1,
+            types-PyMySQL>=1.0.2,
+            types-ipaddress>=1.0.0,
+            types-enum34>=1.1.0,
+            types-cryptography>=3.3.5,
+            types-orjson>=3.6.0,
+            types-aiofiles>=0.1.9,
+            types-pkg-resources>=0.1.3,
+            types-requests>=2.25.9,
+            types-toml>=0.10.0,
+            pydantic>=1.8.2
+        ]
diff --git a/docs/models/methods.md b/docs/models/methods.md
index 0761a29..7cbecea 100644
--- a/docs/models/methods.md
+++ b/docs/models/methods.md
@@ -17,6 +17,25 @@ especially `dict()` and `json()` methods that can also accept `exclude`, `includ
 
 To read more check [pydantic][pydantic] documentation
 
+## construct
+
+`construct` is a raw equivalent of `__init__` method used for construction of new instances.
+
+The difference is that `construct` skips validations, so it should be used when you know that data is correct and can be trusted.
+The benefit of using construct is the speed of execution due to skipped validation.
+
+!!!note 
+        Note that in contrast to `pydantic.construct` method - the `ormar` equivalent will also process the nested related models.
+
+!!!warning
+        Bear in mind that due to skipped validation the `construct` method does not perform any conversions, checks etc. 
+        So it's your responsibility to provide tha data that is valid and can be consumed by the database.
+        
+        The only two things that construct still performs are:
+
+        *  Providing a `default` value for not set fields
+        *  Initialize nested ormar models if you pass a dictionary or a primary key value
+
 ## dict
 
 `dict` is a method inherited from `pydantic`, yet `ormar` adds its own parameters and has some nuances when working with default values,
@@ -363,10 +382,16 @@ class Category(BaseModel):
     items: Optional[List[Item]]
 ```
 
-Of course you can use also deeply nested structures and ormar will generate it pydantic equivalent you (in a way that exclude loops).
+Of course, you can use also deeply nested structures and ormar will generate it pydantic equivalent you (in a way that exclude loops).
 
 Note how `Item` model above does not have a reference to `Category` although in ormar the relation is bidirectional (and `ormar.Item` has `categories` field).
 
+!!!warning
+        Note that the generated pydantic model will inherit all **field** validators from the original `ormar` model, that includes the ormar choices validator as well as validators defined with `pydantic.validator` decorator.
+        
+        But, at the same time all root validators present on `ormar` models will **NOT** be copied to the generated pydantic model. Since root validator can operate on all fields and a user can exclude some fields during generation of pydantic model it's not safe to copy those validators.
+        If required, you need to redefine/ manually copy them to generated pydantic model.
+
 ## load
 
 By default when you query a table without prefetching related models, the ormar will still construct
diff --git a/docs/releases.md b/docs/releases.md
index babf6e6..e2b11bf 100644
--- a/docs/releases.md
+++ b/docs/releases.md
@@ -1,3 +1,10 @@
+# 0.10.21
+
+## 🐛 Fixes
+
+* Add `ormar` implementation of `construct` classmethod that allows to build `Model` instances without validating the input to speed up the whole flow, if your data is already validated [#318](https://github.com/collerek/ormar/issues/318)
+* Fix for "inheriting" field validators from `ormar` model when newly created pydanic model is generated with `get_pydantic` [#365](https://github.com/collerek/ormar/issues/365)
+
 # 0.10.20
 
 ## ✨ Features
diff --git a/ormar/__init__.py b/ormar/__init__.py
index f444fb6..21ab87e 100644
--- a/ormar/__init__.py
+++ b/ormar/__init__.py
@@ -61,6 +61,7 @@ from ormar.fields import (
     LargeBinary,
     ManyToMany,
     ManyToManyField,
+    SQL_ENCODERS_MAP,
     SmallInteger,
     String,
     Text,
@@ -132,6 +133,7 @@ __all__ = [
     "or_",
     "EncryptBackends",
     "ENCODERS_MAP",
+    "SQL_ENCODERS_MAP",
     "DECODERS_MAP",
     "LargeBinary",
     "Extra",
diff --git a/ormar/fields/__init__.py b/ormar/fields/__init__.py
index 9ea9387..e90b5df 100644
--- a/ormar/fields/__init__.py
+++ b/ormar/fields/__init__.py
@@ -24,7 +24,7 @@ from ormar.fields.model_fields import (
     Time,
     UUID,
 )
-from ormar.fields.parsers import DECODERS_MAP, ENCODERS_MAP
+from ormar.fields.parsers import DECODERS_MAP, ENCODERS_MAP, SQL_ENCODERS_MAP
 from ormar.fields.sqlalchemy_encrypted import EncryptBackend, EncryptBackends
 from ormar.fields.through_field import Through, ThroughField
 
@@ -54,6 +54,7 @@ __all__ = [
     "EncryptBackend",
     "DECODERS_MAP",
     "ENCODERS_MAP",
+    "SQL_ENCODERS_MAP",
     "LargeBinary",
     "UniqueColumns",
 ]
diff --git a/ormar/fields/model_fields.py b/ormar/fields/model_fields.py
index 6003620..a819b61 100644
--- a/ormar/fields/model_fields.py
+++ b/ormar/fields/model_fields.py
@@ -1,11 +1,13 @@
 import datetime
 import decimal
 import uuid
-from typing import Any, Optional, TYPE_CHECKING, Union, overload
+from enum import Enum
+from typing import Any, Optional, Set, TYPE_CHECKING, Type, Union, overload
 
 import pydantic
 import sqlalchemy
 
+import ormar  # noqa I101
 from ormar import ModelDefinitionError  # noqa I101
 from ormar.fields import sqlalchemy_uuid
 from ormar.fields.base import BaseField  # noqa I101
@@ -60,6 +62,49 @@ def is_auto_primary_key(primary_key: bool, autoincrement: bool) -> bool:
     return primary_key and autoincrement
 
 
+def convert_choices_if_needed(
+    field_type: "Type",
+    choices: Set,
+    nullable: bool,
+    scale: int = None,
+    represent_as_str: bool = False,
+) -> Set:
+    """
+    Converts dates to isoformat as fastapi can check this condition in routes
+    and the fields are not yet parsed.
+    Converts enums to list of it's values.
+    Converts uuids to strings.
+    Converts decimal to float with given scale.
+
+    :param field_type: type o the field
+    :type field_type: Type
+    :param choices: set of choices
+    :type choices: Set
+    :param scale: scale for decimals
+    :type scale: int
+    :param nullable: flag if field_nullable
+    :type nullable: bool
+    :param represent_as_str: flag for bytes fields
+    :type represent_as_str: bool
+    :param scale: scale for decimals
+    :type scale: int
+    :return: value, choices list
+    :rtype: Tuple[Any, Set]
+    """
+    choices = {o.value if isinstance(o, Enum) else o for o in choices}
+    encoder = ormar.ENCODERS_MAP.get(field_type, lambda x: x)
+    if field_type == decimal.Decimal:
+        precision = scale
+        choices = {encoder(o, precision) for o in choices}
+    elif field_type == bytes:
+        choices = {encoder(o, represent_as_str) for o in choices}
+    elif encoder:
+        choices = {encoder(o) for o in choices}
+    if nullable:
+        choices.add(None)
+    return choices
+
+
 class ModelFieldFactory:
     """
     Default field factory that construct Field classes and populated their values.
@@ -96,6 +141,16 @@ class ModelFieldFactory:
             else (nullable if sql_nullable is None else sql_nullable)
         )
 
+        choices = set(kwargs.pop("choices", []))
+        if choices:
+            choices = convert_choices_if_needed(
+                field_type=cls._type,
+                choices=choices,
+                nullable=nullable,
+                scale=kwargs.get("scale", None),
+                represent_as_str=kwargs.get("represent_as_base64_str", False),
+            )
+
         namespace = dict(
             __type__=cls._type,
             __pydantic_type__=overwrite_pydantic_type
@@ -114,7 +169,7 @@ class ModelFieldFactory:
             pydantic_only=pydantic_only,
             autoincrement=autoincrement,
             column_type=cls.get_column_type(**kwargs),
-            choices=set(kwargs.pop("choices", [])),
+            choices=choices,
             encrypt_secret=encrypt_secret,
             encrypt_backend=encrypt_backend,
             encrypt_custom_backend=encrypt_custom_backend,
diff --git a/ormar/fields/parsers.py b/ormar/fields/parsers.py
index e0f1a53..e8b7301 100644
--- a/ormar/fields/parsers.py
+++ b/ormar/fields/parsers.py
@@ -1,6 +1,8 @@
+import base64
 import datetime
 import decimal
-from typing import Any
+import uuid
+from typing import Any, Callable, Dict, Union
 
 import pydantic
 from pydantic.datetime_parse import parse_date, parse_datetime, parse_time
@@ -19,21 +21,55 @@ def encode_bool(value: bool) -> str:
     return "true" if value else "false"
 
 
+def encode_decimal(value: decimal.Decimal, precision: int = None) -> float:
+    if precision:
+        return (
+            round(float(value), precision)
+            if isinstance(value, decimal.Decimal)
+            else value
+        )
+    return float(value)
+
+
+def encode_bytes(value: Union[str, bytes], represent_as_string: bool = False) -> bytes:
+    if represent_as_string:
+        return value if isinstance(value, bytes) else base64.b64decode(value)
+    return value if isinstance(value, bytes) else value.encode("utf-8")
+
+
 def encode_json(value: Any) -> str:
-    value = json.dumps(value) if not isinstance(value, str) else value
+    value = json.dumps(value) if not isinstance(value, str) else re_dump_value(value)
     value = value.decode("utf-8") if isinstance(value, bytes) else value
     return value
 
 
-ENCODERS_MAP = {
-    bool: encode_bool,
+def re_dump_value(value: str) -> Union[str, bytes]:
+    """
+    Rw-dumps choices due to different string representation in orjson and json
+    :param value: string to re-dump
+    :type value: str
+    :return: re-dumped choices
+    :rtype: List[str]
+    """
+    try:
+        result: Union[str, bytes] = json.dumps(json.loads(value))
+    except json.JSONDecodeError:
+        result = value
+    return result
+
+
+ENCODERS_MAP: Dict[type, Callable] = {
     datetime.datetime: lambda x: x.isoformat(),
     datetime.date: lambda x: x.isoformat(),
     datetime.time: lambda x: x.isoformat(),
     pydantic.Json: encode_json,
-    decimal.Decimal: float,
+    decimal.Decimal: encode_decimal,
+    uuid.UUID: str,
+    bytes: encode_bytes,
 }
 
+SQL_ENCODERS_MAP: Dict[type, Callable] = {bool: encode_bool, **ENCODERS_MAP}
+
 DECODERS_MAP = {
     bool: parse_bool,
     datetime.datetime: parse_datetime,
diff --git a/ormar/fields/sqlalchemy_encrypted.py b/ormar/fields/sqlalchemy_encrypted.py
index 97769ba..88dc0af 100644
--- a/ormar/fields/sqlalchemy_encrypted.py
+++ b/ormar/fields/sqlalchemy_encrypted.py
@@ -160,7 +160,7 @@ class EncryptedString(types.TypeDecorator):
         try:
             value = self._underlying_type.process_bind_param(value, dialect)
         except AttributeError:
-            encoder = ormar.ENCODERS_MAP.get(self.type_, None)
+            encoder = ormar.SQL_ENCODERS_MAP.get(self.type_, None)
             if encoder:
                 value = encoder(value)  # type: ignore
 
diff --git a/ormar/models/helpers/pydantic.py b/ormar/models/helpers/pydantic.py
index 1423176..03ab736 100644
--- a/ormar/models/helpers/pydantic.py
+++ b/ormar/models/helpers/pydantic.py
@@ -50,9 +50,10 @@ def get_pydantic_field(field_name: str, model: Type["Model"]) -> "ModelField":
     :return: newly created pydantic field
     :rtype: pydantic.ModelField
     """
+    type_ = model.Meta.model_fields[field_name].__type__
     return ModelField(
         name=field_name,
-        type_=model.Meta.model_fields[field_name].__type__,  # type: ignore
+        type_=type_,  # type: ignore
         model_config=model.__config__,
         required=not model.Meta.model_fields[field_name].nullable,
         class_validators={},
diff --git a/ormar/models/helpers/relations.py b/ormar/models/helpers/relations.py
index 68bf893..c6d1ba4 100644
--- a/ormar/models/helpers/relations.py
+++ b/ormar/models/helpers/relations.py
@@ -101,6 +101,7 @@ def register_reverse_model_fields(model_field: "ForeignKeyField") -> None:
     :type model_field: relation Field
     """
     related_name = model_field.get_related_name()
+    # TODO: Reverse relations does not register pydantic fields?
     if model_field.is_multi:
         model_field.to.Meta.model_fields[related_name] = ManyToMany(  # type: ignore
             model_field.owner,
diff --git a/ormar/models/helpers/validation.py b/ormar/models/helpers/validation.py
index 11db796..b3e8e15 100644
--- a/ormar/models/helpers/validation.py
+++ b/ormar/models/helpers/validation.py
@@ -1,30 +1,37 @@
 import base64
-import datetime
 import decimal
 import numbers
-import uuid
-from enum import Enum
-from typing import Any, Dict, List, Set, TYPE_CHECKING, Tuple, Type, Union
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    List,
+    Set,
+    TYPE_CHECKING,
+    Type,
+    Union,
+)
 
 try:
     import orjson as json
 except ImportError:  # pragma: no cover
-    import json  # type: ignore
+    import json  # type: ignore  # noqa: F401
 
 import pydantic
-from pydantic.fields import SHAPE_LIST
+from pydantic.class_validators import make_generic_validator
+from pydantic.fields import ModelField, SHAPE_LIST
 from pydantic.main import SchemaExtraCallable
 
 import ormar  # noqa: I100, I202
-from ormar.fields import BaseField
 from ormar.models.helpers.models import meta_field_not_set
 from ormar.queryset.utils import translate_list_to_dict
 
 if TYPE_CHECKING:  # pragma no cover
     from ormar import Model
+    from ormar.fields import BaseField
 
 
-def check_if_field_has_choices(field: BaseField) -> bool:
+def check_if_field_has_choices(field: "BaseField") -> bool:
     """
     Checks if given field has choices populated.
     A if it has one, a validator for this field needs to be attached.
@@ -37,110 +44,56 @@ def check_if_field_has_choices(field: BaseField) -> bool:
     return hasattr(field, "choices") and bool(field.choices)
 
 
-def convert_choices_if_needed(  # noqa: CCR001
-    field: "BaseField", value: Any
-) -> Tuple[Any, List]:
+def convert_value_if_needed(field: "BaseField", value: Any) -> Any:
     """
     Converts dates to isoformat as fastapi can check this condition in routes
     and the fields are not yet parsed.
-
     Converts enums to list of it's values.
-
     Converts uuids to strings.
-
     Converts decimal to float with given scale.
 
     :param field: ormar field to check with choices
     :type field: BaseField
     :param value: current values of the model to verify
-    :type value: Dict
-    :return: value, choices list
-    :rtype: Tuple[Any, List]
-    """
-    # TODO use same maps as with EncryptedString
-    choices = [o.value if isinstance(o, Enum) else o for o in field.choices]
-
-    if field.__type__ in [datetime.datetime, datetime.date, datetime.time]:
-        value = value.isoformat() if not isinstance(value, str) else value
-        choices = [o.isoformat() for o in field.choices]
-    elif field.__type__ == pydantic.Json:
-        value = (
-            json.dumps(value) if not isinstance(value, str) else re_dump_value(value)
-        )
-        value = value.decode("utf-8") if isinstance(value, bytes) else value
-        choices = [re_dump_value(x) for x in field.choices]
-    elif field.__type__ == uuid.UUID:
-        value = str(value) if not isinstance(value, str) else value
-        choices = [str(o) for o in field.choices]
-    elif field.__type__ == decimal.Decimal:
-        precision = field.scale  # type: ignore
-        value = (
-            round(float(value), precision)
-            if isinstance(value, decimal.Decimal)
-            else value
-        )
-        choices = [round(float(o), precision) for o in choices]
-    elif field.__type__ == bytes:
-        if field.represent_as_base64_str:
-            value = value if isinstance(value, bytes) else base64.b64decode(value)
-        else:
-            value = value if isinstance(value, bytes) else value.encode("utf-8")
-
-    return value, choices
-
-
-def re_dump_value(value: str) -> str:
-    """
-    Rw-dumps choices due to different string representation in orjson and json
-    :param value: string to re-dump
-    :type value: str
-    :return: re-dumped choices
-    :rtype: List[str]
-    """
-    try:
-        result: Union[str, bytes] = json.dumps(json.loads(value))
-    except json.JSONDecodeError:
-        result = value
-    return result.decode("utf-8") if isinstance(result, bytes) else result
-
-
-def validate_choices(field: "BaseField", value: Any) -> None:
-    """
-    Validates if given value is in provided choices.
-
-    :raises ValueError: If value is not in choices.
-    :param field:field to validate
-    :type field: BaseField
-    :param value: value of the field
     :type value: Any
+    :return: value, choices list
+    :rtype: Any
     """
-    value, choices = convert_choices_if_needed(field=field, value=value)
-    if field.nullable:
-        choices.append(None)
-    if value is not ormar.Undefined and value not in choices:
-        raise ValueError(
-            f"{field.name}: '{value}' " f"not in allowed choices set:" f" {choices}"
-        )
+    encoder = ormar.ENCODERS_MAP.get(field.__type__, lambda x: x)
+    if field.__type__ == decimal.Decimal:
+        precision = field.scale  # type: ignore
+        value = encoder(value, precision)
+    elif field.__type__ == bytes:
+        represent_as_string = field.represent_as_base64_str
+        value = encoder(value, represent_as_string)
+    elif encoder:
+        value = encoder(value)
+    return value
 
 
-def choices_validator(cls: Type["Model"], values: Dict[str, Any]) -> Dict[str, Any]:
-    """
-    Validator that is attached to pydantic model pre root validators.
-    Validator checks if field value is in field.choices list.
+def generate_validator(ormar_field: "BaseField") -> Callable:
+    choices = ormar_field.choices
 
-    :raises ValueError: if field value is outside of allowed choices.
-    :param cls: constructed class
-    :type cls: Model class
-    :param values: dictionary of field values (pydantic side)
-    :type values: Dict[str, Any]
-    :return: values if pass validation, otherwise exception is raised
-    :rtype: Dict[str, Any]
-    """
-    for field_name, field in cls.Meta.model_fields.items():
-        if check_if_field_has_choices(field):
-            value = values.get(field_name, ormar.Undefined)
-            validate_choices(field=field, value=value)
-    return values
+    def validate_choices(cls: type, value: Any, field: "ModelField") -> None:
+        """
+        Validates if given value is in provided choices.
+
+        :raises ValueError: If value is not in choices.
+        :param field:field to validate
+        :type field: BaseField
+        :param value: value of the field
+        :type value: Any
+        """
+        adjusted_value = convert_value_if_needed(field=ormar_field, value=value)
+        if adjusted_value is not ormar.Undefined and adjusted_value not in choices:
+            raise ValueError(
+                f"{field.name}: '{adjusted_value}' "
+                f"not in allowed choices set:"
+                f" {choices}"
+            )
+        return value
+
+    return validate_choices
 
 
 def generate_model_example(model: Type["Model"], relation_map: Dict = None) -> Dict:
@@ -172,7 +125,7 @@ def generate_model_example(model: Type["Model"], relation_map: Dict = None) -> D
 
 
 def populates_sample_fields_values(
-    example: Dict[str, Any], name: str, field: BaseField, relation_map: Dict = None
+    example: Dict[str, Any], name: str, field: "BaseField", relation_map: Dict = None
 ) -> None:
     """
     Iterates the field and sets fields to sample values
@@ -350,15 +303,14 @@ def populate_choices_validators(model: Type["Model"]) -> None:  # noqa CCR001
     """
     fields_with_choices = []
     if not meta_field_not_set(model=model, field_name="model_fields"):
+        if hasattr(model, "_choices_fields"):
+            return
+        model._choices_fields = set()
         for name, field in model.Meta.model_fields.items():
             if check_if_field_has_choices(field):
                 fields_with_choices.append(name)
-                validators = getattr(model, "__pre_root_validators__", [])
-                if choices_validator not in validators:
-                    validators.append(choices_validator)
-                    model.__pre_root_validators__ = validators
-                if not model._choices_fields:
-                    model._choices_fields = set()
+                validator = make_generic_validator(generate_validator(field))
+                model.__fields__[name].validators.append(validator)
                 model._choices_fields.add(name)
 
         if fields_with_choices:
diff --git a/ormar/models/metaclass.py b/ormar/models/metaclass.py
index 49043cc..2bee725 100644
--- a/ormar/models/metaclass.py
+++ b/ormar/models/metaclass.py
@@ -106,7 +106,6 @@ def add_cached_properties(new_model: Type["Model"]) -> None:
     new_model._through_names = None
     new_model._related_fields = None
     new_model._pydantic_fields = {name for name in new_model.__fields__}
-    new_model._choices_fields = set()
     new_model._json_fields = set()
     new_model._bytes_fields = set()
 
diff --git a/ormar/models/mixins/pydantic_mixin.py b/ormar/models/mixins/pydantic_mixin.py
index ce63f05..1ecdd89 100644
--- a/ormar/models/mixins/pydantic_mixin.py
+++ b/ormar/models/mixins/pydantic_mixin.py
@@ -1,3 +1,4 @@
+import copy
 import string
 from random import choices
 from typing import (
@@ -82,7 +83,9 @@ class PydanticMixin(RelationMixin):
             (pydantic.BaseModel,),
             {"__annotations__": fields_dict, **defaults},
         )
-        return cast(Type[pydantic.BaseModel], model)
+        model = cast(Type[pydantic.BaseModel], model)
+        cls._copy_field_validators(model=model)
+        return model
 
     @classmethod
     def _determine_pydantic_field_type(
@@ -111,3 +114,33 @@ class PydanticMixin(RelationMixin):
         if target is not None and field.nullable:
             target = Optional[target]
         return target
+
+    @classmethod
+    def _copy_field_validators(cls, model: Type[pydantic.BaseModel]) -> None:
+        """
+        Copy field validators from ormar model to generated pydantic model.
+        """
+        for field_name, field in model.__fields__.items():
+            if (
+                field_name not in cls.__fields__
+                or cls.Meta.model_fields[field_name].is_relation
+            ):
+                continue
+            validators = cls.__fields__[field_name].validators
+            already_attached = [
+                validator.__wrapped__ for validator in field.validators  # type: ignore
+            ]
+            validators_to_copy = [
+                validator
+                for validator in validators
+                if validator.__wrapped__ not in already_attached  # type: ignore
+            ]
+            field.validators.extend(copy.deepcopy(validators_to_copy))
+            class_validators = cls.__fields__[field_name].class_validators
+            field.class_validators.update(copy.deepcopy(class_validators))
+            field.pre_validators = copy.deepcopy(
+                cls.__fields__[field_name].pre_validators
+            )
+            field.post_validators = copy.deepcopy(
+                cls.__fields__[field_name].post_validators
+            )
diff --git a/ormar/models/mixins/save_mixin.py b/ormar/models/mixins/save_mixin.py
index d1769f9..de3923e 100644
--- a/ormar/models/mixins/save_mixin.py
+++ b/ormar/models/mixins/save_mixin.py
@@ -11,9 +11,10 @@ from typing import (
     cast,
 )
 
-import ormar
+import pydantic
+
+import ormar  # noqa: I100, I202
 from ormar.exceptions import ModelPersistenceError
-from ormar.models.helpers.validation import validate_choices
 from ormar.models.mixins import AliasMixin
 from ormar.models.mixins.relation_mixin import RelationMixin
 
@@ -29,6 +30,7 @@ class SavePrepareMixin(RelationMixin, AliasMixin):
     if TYPE_CHECKING:  # pragma: nocover
         _choices_fields: Optional[Set]
         _skip_ellipsis: Callable
+        __fields__: Dict[str, pydantic.fields.ModelField]
 
     @classmethod
     def prepare_model_to_save(cls, new_kwargs: dict) -> dict:
@@ -180,9 +182,18 @@ class SavePrepareMixin(RelationMixin, AliasMixin):
         if not cls._choices_fields:
             return new_kwargs
 
-        for field_name, field in cls.Meta.model_fields.items():
-            if field_name in new_kwargs and field_name in cls._choices_fields:
-                validate_choices(field=field, value=new_kwargs.get(field_name))
+        fields_to_check = [
+            field
+            for field in cls.Meta.model_fields.values()
+            if field.name in cls._choices_fields and field.name in new_kwargs
+        ]
+        for field in fields_to_check:
+            if new_kwargs[field.name] not in field.choices:
+                raise ValueError(
+                    f"{field.name}: '{new_kwargs[field.name]}' "
+                    f"not in allowed choices set:"
+                    f" {field.choices}"
+                )
         return new_kwargs
 
     @staticmethod
diff --git a/ormar/models/newbasemodel.py b/ormar/models/newbasemodel.py
index b18080d..1fbf109 100644
--- a/ormar/models/newbasemodel.py
+++ b/ormar/models/newbasemodel.py
@@ -14,6 +14,7 @@ from typing import (
     TYPE_CHECKING,
     Tuple,
     Type,
+    TypeVar,
     Union,
     cast,
 )
@@ -50,8 +51,11 @@ if TYPE_CHECKING:  # pragma no cover
     from ormar.models import Model
     from ormar.signals import SignalEmitter
 
+    T = TypeVar("T", bound="NewBaseModel")
+
     IntStr = Union[int, str]
     DictStrAny = Dict[str, Any]
+    SetStr = Set[str]
     AbstractSetIntStr = AbstractSet[IntStr]
     MappingIntStrAny = Mapping[IntStr, Any]
 
@@ -86,7 +90,7 @@ class NewBaseModel(pydantic.BaseModel, ModelTableProxy, metaclass=ModelMetaclass
         _related_names: Optional[Set]
         _through_names: Optional[Set]
         _related_names_hash: str
-        _choices_fields: Optional[Set]
+        _choices_fields: Set
         _pydantic_fields: Set
         _quick_access_fields: Set
         _json_fields: Set
@@ -785,6 +789,51 @@ class NewBaseModel(pydantic.BaseModel, ModelTableProxy, metaclass=ModelMetaclass
             data = data["__root__"]
         return self.__config__.json_dumps(data, default=encoder, **dumps_kwargs)
 
+    @classmethod
+    def construct(
+        cls: Type["T"], _fields_set: Optional["SetStr"] = None, **values: Any
+    ) -> "T":
+        own_values = {
+            k: v for k, v in values.items() if k not in cls.extract_related_names()
+        }
+        model = cls.__new__(cls)
+        fields_values: Dict[str, Any] = {}
+        for name, field in cls.__fields__.items():
+            if name in own_values:
+                fields_values[name] = own_values[name]
+            elif not field.required:
+                fields_values[name] = field.get_default()
+        fields_values.update(own_values)
+        object.__setattr__(model, "__dict__", fields_values)
+        model._initialize_internal_attributes()
+        cls._construct_relations(model=model, values=values)
+        if _fields_set is None:
+            _fields_set = set(values.keys())
+        object.__setattr__(model, "__fields_set__", _fields_set)
+        return model
+
+    @classmethod
+    def _construct_relations(cls: Type["T"], model: "T", values: Dict) -> None:
+        present_relations = [
+            relation for relation in cls.extract_related_names() if relation in values
+        ]
+        for relation in present_relations:
+            value_to_set = values[relation]
+            if not isinstance(value_to_set, list):
+                value_to_set = [value_to_set]
+            relation_field = cls.Meta.model_fields[relation]
+            relation_value = [
+                relation_field.expand_relationship(x, model, to_register=False)
+                for x in value_to_set
+            ]
+
+            for child in relation_value:
+                model._orm.add(
+                    parent=cast("Model", child),
+                    child=cast("Model", model),
+                    field=cast("ForeignKeyField", relation_field),
+                )
+
     def update_from_dict(self, value_dict: Dict) -> "NewBaseModel":
         """
         Updates self with values of fields passed in the dictionary.
@@ -879,6 +928,7 @@ class NewBaseModel(pydantic.BaseModel, ModelTableProxy, metaclass=ModelMetaclass
         :return: dictionary of fields names and values.
         :rtype: Dict
         """
+        # TODO: Cache this dictionary?
         self_fields = self._extract_own_model_fields()
         self_fields = {
             k: v
diff --git a/ormar/queryset/utils.py b/ormar/queryset/utils.py
index f99c698..4ebe07c 100644
--- a/ormar/queryset/utils.py
+++ b/ormar/queryset/utils.py
@@ -29,8 +29,8 @@ def check_node_not_dict_or_not_last_node(
 
     :param part:
     :type part: str
-    :param parts:
-    :type parts: List[str]
+    :param is_last: flag to check if last element
+    :type is_last: bool
     :param current_level: current level of the traversed structure
     :type current_level: Any
     :return: result of the check
@@ -52,7 +52,7 @@ def translate_list_to_dict(  # noqa: CCR001
     Default required key ise Ellipsis like in pydantic.
 
     :param list_to_trans: input list
-    :type list_to_trans: set
+    :type list_to_trans: Union[List, Set]
     :param is_order: flag if change affects order_by clauses are they require special
     default value with sort order.
     :type is_order: bool
diff --git a/poetry.lock b/poetry.lock
index f81abd0..6c7fe55 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -51,7 +51,7 @@ typing_extensions = ">=3.7.2"
 
 [[package]]
 name = "anyio"
-version = "3.3.2"
+version = "3.3.3"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
 category = "dev"
 optional = false
@@ -125,6 +125,21 @@ docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
 tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface"]
 tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins"]
 
+[[package]]
+name = "backports.entry-points-selectable"
+version = "1.1.0"
+description = "Compatibility shim providing selectable entry points for older implementations"
+category = "dev"
+optional = false
+python-versions = ">=2.7"
+
+[package.dependencies]
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=4.6)", "pytest-flake8", "pytest-cov", "pytest-black (>=0.3.7)", "pytest-mypy", "pytest-checkdocs (>=2.4)", "pytest-enabler (>=1.0.1)"]
+
 [[package]]
 name = "bandit"
 version = "1.7.0"
@@ -188,9 +203,17 @@ python-versions = "*"
 [package.dependencies]
 pycparser = "*"
 
+[[package]]
+name = "cfgv"
+version = "3.3.1"
+description = "Validate configuration and produce human readable error messages."
+category = "dev"
+optional = false
+python-versions = ">=3.6.1"
+
 [[package]]
 name = "charset-normalizer"
-version = "2.0.6"
+version = "2.0.7"
 description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
 category = "dev"
 optional = false
@@ -201,7 +224,7 @@ unicode_backport = ["unicodedata2"]
 
 [[package]]
 name = "click"
-version = "8.0.2"
+version = "8.0.3"
 description = "Composable command line interface toolkit"
 category = "dev"
 optional = false
@@ -260,7 +283,7 @@ immutables = ">=0.9"
 
 [[package]]
 name = "coverage"
-version = "6.0.1"
+version = "6.0.2"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
@@ -364,6 +387,14 @@ wrapt = ">=1.10,<2"
 [package.extras]
 dev = ["tox", "bump2version (<1)", "sphinx (<2)", "importlib-metadata (<3)", "importlib-resources (<4)", "configparser (<5)", "sphinxcontrib-websupport (<2)", "zipp (<2)", "PyTest (<5)", "PyTest-Cov (<2.6)", "pytest", "pytest-cov"]
 
+[[package]]
+name = "distlib"
+version = "0.3.3"
+description = "Distribution utilities"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "docspec"
 version = "1.2.0"
@@ -412,6 +443,18 @@ dev = ["python-jose[cryptography] (>=3.3.0,<4.0.0)", "passlib[bcrypt] (>=1.7.2,<
 doc = ["mkdocs (>=1.1.2,<2.0.0)", "mkdocs-material (>=7.1.9,<8.0.0)", "mdx-include (>=1.4.1,<2.0.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.3.0)", "typer-cli (>=0.0.12,<0.0.13)", "pyyaml (>=5.3.1,<6.0.0)"]
 test = ["pytest (>=6.2.4,<7.0.0)", "pytest-cov (>=2.12.0,<4.0.0)", "mypy (==0.910)", "flake8 (>=3.8.3,<4.0.0)", "black (==21.9b0)", "isort (>=5.0.6,<6.0.0)", "requests (>=2.24.0,<3.0.0)", "httpx (>=0.14.0,<0.19.0)", "email_validator (>=1.1.1,<2.0.0)", "sqlalchemy (>=1.3.18,<1.5.0)", "peewee (>=3.13.3,<4.0.0)", "databases[sqlite] (>=0.3.2,<0.6.0)", "orjson (>=3.2.1,<4.0.0)", "ujson (>=4.0.1,<5.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "flask (>=1.1.2,<3.0.0)", "anyio[trio] (>=3.2.1,<4.0.0)", "types-ujson (==0.1.1)", "types-orjson (==3.6.0)", "types-dataclasses (==0.1.7)"]
 
+[[package]]
+name = "filelock"
+version = "3.3.0"
+description = "A platform independent file lock."
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
+docs = ["furo (>=2021.8.17b43)", "sphinx (>=4.1)", "sphinx-autodoc-typehints (>=1.12)"]
+testing = ["covdefaults (>=1.2.0)", "coverage (>=4)", "pytest (>=4)", "pytest-cov", "pytest-timeout (>=1.4.2)"]
+
 [[package]]
 name = "flake8"
 version = "3.9.2"
@@ -595,9 +638,20 @@ python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
 [package.extras]
 docs = ["sphinx"]
 
+[[package]]
+name = "identify"
+version = "2.3.0"
+description = "File identification library for Python"
+category = "dev"
+optional = false
+python-versions = ">=3.6.1"
+
+[package.extras]
+license = ["editdistance-s"]
+
 [[package]]
 name = "idna"
-version = "3.2"
+version = "3.3"
 description = "Internationalized Domain Names in Applications (IDNA)"
 category = "dev"
 optional = false
@@ -634,6 +688,21 @@ docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
 perf = ["ipython"]
 testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
+[[package]]
+name = "importlib-resources"
+version = "5.2.2"
+description = "Read resources from Python packages"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+zipp = {version = ">=3.1.0", markers = "python_version < \"3.10\""}
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "pytest-black (>=0.3.7)", "pytest-mypy"]
+
 [[package]]
 name = "iniconfig"
 version = "1.1.1"
@@ -786,6 +855,14 @@ category = "dev"
 optional = false
 python-versions = ">=3.5"
 
+[[package]]
+name = "nodeenv"
+version = "1.6.0"
+description = "Node.js virtual environment builder"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "nr.fs"
 version = "1.6.3"
@@ -920,6 +997,24 @@ importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 dev = ["pre-commit", "tox"]
 testing = ["pytest", "pytest-benchmark"]
 
+[[package]]
+name = "pre-commit"
+version = "2.15.0"
+description = "A framework for managing and maintaining multi-language pre-commit hooks."
+category = "dev"
+optional = false
+python-versions = ">=3.6.1"
+
+[package.dependencies]
+cfgv = ">=2.0.0"
+identify = ">=1.0.0"
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
+importlib-resources = {version = "*", markers = "python_version < \"3.7\""}
+nodeenv = ">=0.11.1"
+pyyaml = ">=5.1"
+toml = "*"
+virtualenv = ">=20.0.8"
+
 [[package]]
 name = "psycopg2-binary"
 version = "2.9.1"
@@ -1380,6 +1475,27 @@ brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
 socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
+[[package]]
+name = "virtualenv"
+version = "20.8.1"
+description = "Virtual Python Environment builder"
+category = "dev"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+
+[package.dependencies]
+"backports.entry-points-selectable" = ">=1.0.4"
+distlib = ">=0.3.1,<1"
+filelock = ">=3.0.0,<4"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
+importlib-resources = {version = ">=1.0", markers = "python_version < \"3.7\""}
+platformdirs = ">=2,<3"
+six = ">=1.9.0,<2"
+
+[package.extras]
+docs = ["proselint (>=0.10.2)", "sphinx (>=3)", "sphinx-argparse (>=0.2.5)", "sphinx-rtd-theme (>=0.4.3)", "towncrier (>=19.9.0rc1)"]
+testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)", "pytest (>=4)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.1)", "pytest-mock (>=2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "packaging (>=20.0)"]
+
 [[package]]
 name = "watchdog"
 version = "2.1.6"
@@ -1393,7 +1509,7 @@ watchmedo = ["PyYAML (>=3.10)"]
 
 [[package]]
 name = "wrapt"
-version = "1.13.1"
+version = "1.13.2"
 description = "Module for decorators, wrappers and monkey patching."
 category = "dev"
 optional = false
@@ -1434,7 +1550,7 @@ sqlite = []
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6.2"
-content-hash = "b91a03b4747e33b324f8856d2b5efddf0ceaad773473409b0acff2668013bc4b"
+content-hash = "2941acd715d35ca51eeaae5dffe2d7a9b2bff0ae7b74d56479c2cfedccdd3e63"
 
 [metadata.files]
 aiocontextvars = [
@@ -1454,8 +1570,8 @@ aiosqlite = [
     {file = "aiosqlite-0.17.0.tar.gz", hash = "sha256:f0e6acc24bc4864149267ac82fb46dfb3be4455f99fe21df82609cc6e6baee51"},
 ]
 anyio = [
-    {file = "anyio-3.3.2-py3-none-any.whl", hash = "sha256:c32da314c510b34a862f5afeaf8a446ffed2c2fde21583e654bd71ecfb5b744b"},
-    {file = "anyio-3.3.2.tar.gz", hash = "sha256:0b993a2ef6c1dc456815c2b5ca2819f382f20af98087cc2090a4afed3a501436"},
+    {file = "anyio-3.3.3-py3-none-any.whl", hash = "sha256:56ceaeed2877723578b1341f4f68c29081db189cfb40a97d1922b9513f6d7db6"},
+    {file = "anyio-3.3.3.tar.gz", hash = "sha256:8eccec339cb4a856c94a75d50fc1d451faf32a05ef406be462e2efc59c9838b0"},
 ]
 astpretty = [
     {file = "astpretty-2.1.0-py2.py3-none-any.whl", hash = "sha256:f81f14b5636f7af81fadb1e3c09ca7702ce4615500d9cc6d6829befb2dec2e3c"},
@@ -1488,6 +1604,10 @@ attrs = [
     {file = "attrs-21.2.0-py2.py3-none-any.whl", hash = "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1"},
     {file = "attrs-21.2.0.tar.gz", hash = "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"},
 ]
+"backports.entry-points-selectable" = [
+    {file = "backports.entry_points_selectable-1.1.0-py2.py3-none-any.whl", hash = "sha256:a6d9a871cde5e15b4c4a53e3d43ba890cc6861ec1332c9c2428c92f977192acc"},
+    {file = "backports.entry_points_selectable-1.1.0.tar.gz", hash = "sha256:988468260ec1c196dab6ae1149260e2f5472c9110334e5d51adcb77867361f6a"},
+]
 bandit = [
     {file = "bandit-1.7.0-py3-none-any.whl", hash = "sha256:216be4d044209fa06cf2a3e51b319769a51be8318140659719aa7a115c35ed07"},
     {file = "bandit-1.7.0.tar.gz", hash = "sha256:8a4c7415254d75df8ff3c3b15cfe9042ecee628a1e40b44c15a98890fbfc2608"},
@@ -1547,13 +1667,17 @@ cffi = [
     {file = "cffi-1.14.6-cp39-cp39-win_amd64.whl", hash = "sha256:818014c754cd3dba7229c0f5884396264d51ffb87ec86e927ef0be140bfdb0d2"},
     {file = "cffi-1.14.6.tar.gz", hash = "sha256:c9a875ce9d7fe32887784274dd533c57909b7b1dcadcc128a2ac21331a9765dd"},
 ]
+cfgv = [
+    {file = "cfgv-3.3.1-py2.py3-none-any.whl", hash = "sha256:c6a0883f3917a037485059700b9e75da2464e6c27051014ad85ba6aaa5884426"},
+    {file = "cfgv-3.3.1.tar.gz", hash = "sha256:f5a830efb9ce7a445376bb66ec94c638a9787422f96264c98edc6bdeed8ab736"},
+]
 charset-normalizer = [
-    {file = "charset-normalizer-2.0.6.tar.gz", hash = "sha256:5ec46d183433dcbd0ab716f2d7f29d8dee50505b3fdb40c6b985c7c4f5a3591f"},
-    {file = "charset_normalizer-2.0.6-py3-none-any.whl", hash = "sha256:5d209c0a931f215cee683b6445e2d77677e7e75e159f78def0db09d68fafcaa6"},
+    {file = "charset-normalizer-2.0.7.tar.gz", hash = "sha256:e019de665e2bcf9c2b64e2e5aa025fa991da8720daa3c1138cadd2fd1856aed0"},
+    {file = "charset_normalizer-2.0.7-py3-none-any.whl", hash = "sha256:f7af805c321bfa1ce6714c51f254e0d5bb5e5834039bc17db7ebe3a4cec9492b"},
 ]
 click = [
-    {file = "click-8.0.2-py3-none-any.whl", hash = "sha256:3fab8aeb8f15f5452ae7511ad448977b3417325bceddd53df87e0bb81f3a8cf8"},
-    {file = "click-8.0.2.tar.gz", hash = "sha256:7027bc7bbafaab8b2c2816861d8eb372429ee3c02e193fc2f93d6c4ab9de49c5"},
+    {file = "click-8.0.3-py3-none-any.whl", hash = "sha256:353f466495adaeb40b6b5f592f9f91cb22372351c84caeb068132442a4518ef3"},
+    {file = "click-8.0.3.tar.gz", hash = "sha256:410e932b050f5eed773c4cda94de75971c89cdb3155a72a0831139a79e5ecb5b"},
 ]
 codecov = [
     {file = "codecov-2.1.12-py2.py3-none-any.whl", hash = "sha256:585dc217dc3d8185198ceb402f85d5cb5dbfa0c5f350a5abcdf9e347776a5b47"},
@@ -1575,39 +1699,39 @@ contextvars = [
     {file = "contextvars-2.4.tar.gz", hash = "sha256:f38c908aaa59c14335eeea12abea5f443646216c4e29380d7bf34d2018e2c39e"},
 ]
 coverage = [
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+    {file = "wrapt-1.13.2-cp38-cp38-win_amd64.whl", hash = "sha256:b20703356cae1799080d0ad15085dc3213c1ac3f45e95afb9f12769b98231528"},
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+    {file = "wrapt-1.13.2-cp39-cp39-win_amd64.whl", hash = "sha256:6e6d1a8eeef415d7fb29fe017de0e48f45e45efd2d1bfda28fc50b7b330859ef"},
+    {file = "wrapt-1.13.2.tar.gz", hash = "sha256:dca56cc5963a5fd7c2aa8607017753f534ee514e09103a6c55d2db70b50e7447"},
 ]
 yappi = [
     {file = "yappi-1.3.3.tar.gz", hash = "sha256:855890cd9a90d833dd2df632d648de8ccd0a4c3131f1edc8abd004db0625b5e8"},
diff --git a/pyproject.toml b/pyproject.toml
index 65b4708..ffdc89e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ormar"
-version = "0.10.20"
+version = "0.10.21"
 description = "A simple async ORM with fastapi in mind and pydantic validation."
 authors = ["Radosław Drążkiewicz <collerek@gmail.com>"]
 license = "MIT"
@@ -115,6 +115,8 @@ dataclasses = { version = ">=0.6.0,<0.8 || >0.8,<1.0.0" }
 # Performance testing
 yappi = "^1.3.3"
 
+pre-commit = "^2.15.0"
+
 [tool.poetry.extras]
 postgresql = ["asyncpg", "psycopg2-binary"]
 postgres = ["asyncpg", "psycopg2-binary"]
diff --git a/tests/test_fastapi/test_choices_schema.py b/tests/test_fastapi/test_choices_schema.py
index 86336c5..800c90e 100644
--- a/tests/test_fastapi/test_choices_schema.py
+++ b/tests/test_fastapi/test_choices_schema.py
@@ -121,7 +121,6 @@ def test_all_endpoints():
                 "blob_col": blob.decode("utf-8"),
             },
         )
-
         assert response.status_code == 200
         item = Organisation(**response.json())
         assert item.pk is not None
diff --git a/tests/test_fastapi/test_excludes_with_get_pydantic.py b/tests/test_fastapi/test_excludes_with_get_pydantic.py
index d9e9de4..b18976a 100644
--- a/tests/test_fastapi/test_excludes_with_get_pydantic.py
+++ b/tests/test_fastapi/test_excludes_with_get_pydantic.py
@@ -4,11 +4,8 @@ from fastapi import FastAPI
 from starlette.testclient import TestClient
 
 from tests.settings import DATABASE_URL
-from tests.test_inheritance_and_pydantic_generation.test_geting_the_pydantic_models import (
+from tests.test_inheritance_and_pydantic_generation.test_geting_pydantic_models import (
     Category,
-    Item,
-    MutualA,
-    MutualB,
     SelfRef,
     database,
     metadata,
@@ -53,7 +50,9 @@ app.post("/categories/", response_model=Category)(create_category)
     response_model=SelfRef.get_pydantic(exclude={"parent", "children__name"}),
 )
 async def create_selfref(
-    selfref: SelfRef.get_pydantic(exclude={"children__name"}),  # type: ignore
+    selfref: SelfRef.get_pydantic(  # type: ignore
+        exclude={"children__name"}  # noqa: F821
+    ),
 ):
     selfr = SelfRef(**selfref.dict())
     await selfr.save()
diff --git a/tests/test_inheritance_and_pydantic_generation/test_geting_the_pydantic_models.py b/tests/test_inheritance_and_pydantic_generation/test_geting_pydantic_models.py
similarity index 100%
rename from tests/test_inheritance_and_pydantic_generation/test_geting_the_pydantic_models.py
rename to tests/test_inheritance_and_pydantic_generation/test_geting_pydantic_models.py
diff --git a/tests/test_inheritance_and_pydantic_generation/test_pydantic_fields_order.py b/tests/test_inheritance_and_pydantic_generation/test_pydantic_fields_order.py
index 96d5f98..ffc515e 100644
--- a/tests/test_inheritance_and_pydantic_generation/test_pydantic_fields_order.py
+++ b/tests/test_inheritance_and_pydantic_generation/test_pydantic_fields_order.py
@@ -14,7 +14,7 @@ class BaseMeta(ormar.ModelMeta):
     metadata = metadata
 
 
-class TestModel(ormar.Model):
+class NewTestModel(ormar.Model):
     class Meta:
         database = database
         metadata = metadata
@@ -37,5 +37,5 @@ def create_test_database():
 
 
 def test_model_field_order():
-    TestCreate = TestModel.get_pydantic(exclude={"a"})
+    TestCreate = NewTestModel.get_pydantic(exclude={"a"})
     assert list(TestCreate.__fields__.keys()) == ["b", "c", "d", "e", "f"]
diff --git a/tests/test_inheritance_and_pydantic_generation/test_validators_in_generated_pydantic.py b/tests/test_inheritance_and_pydantic_generation/test_validators_in_generated_pydantic.py
new file mode 100644
index 0000000..d105481
--- /dev/null
+++ b/tests/test_inheritance_and_pydantic_generation/test_validators_in_generated_pydantic.py
@@ -0,0 +1,67 @@
+import enum
+
+import databases
+import pydantic
+import pytest
+import sqlalchemy
+from pydantic import ValidationError
+
+
+import ormar
+from tests.settings import DATABASE_URL
+
+metadata = sqlalchemy.MetaData()
+database = databases.Database(DATABASE_URL)
+
+
+class BaseMeta(ormar.ModelMeta):
+    database = database
+    metadata = metadata
+
+
+class EnumExample(str, enum.Enum):
+    A = "A"
+    B = "B"
+    C = "C"
+
+
+class ModelExample(ormar.Model):
+    class Meta(ormar.ModelMeta):
+        database = database
+        metadata = metadata
+        tablename = "examples"
+
+    id: int = ormar.Integer(primary_key=True)
+    str_field: str = ormar.String(min_length=5, max_length=10, nullable=False)
+    enum_field: str = ormar.String(
+        max_length=1, nullable=False, choices=list(EnumExample)
+    )
+
+    @pydantic.validator("str_field")
+    def validate_str_field(cls, v):
+        if " " not in v:
+            raise ValueError("must contain a space")
+        return v
+
+
+ModelExampleCreate = ModelExample.get_pydantic(exclude={"id"})
+
+
+def test_ormar_validator():
+    ModelExample(str_field="a aaaaaa", enum_field="A")
+    with pytest.raises(ValidationError) as e:
+        ModelExample(str_field="aaaaaaa", enum_field="A")
+    assert "must contain a space" in str(e)
+    with pytest.raises(ValidationError) as e:
+        ModelExample(str_field="a aaaaaaa", enum_field="Z")
+    assert "not in allowed choices" in str(e)
+
+
+def test_pydantic_validator():
+    ModelExampleCreate(str_field="a aaaaaa", enum_field="A")
+    with pytest.raises(ValidationError) as e:
+        ModelExampleCreate(str_field="aaaaaaa", enum_field="A")
+    assert "must contain a space" in str(e)
+    with pytest.raises(ValidationError) as e:
+        ModelExampleCreate(str_field="a aaaaaaa", enum_field="Z")
+    assert "not in allowed choices" in str(e)
diff --git a/tests/test_model_definition/test_model_construct.py b/tests/test_model_definition/test_model_construct.py
new file mode 100644
index 0000000..87bd4ba
--- /dev/null
+++ b/tests/test_model_definition/test_model_construct.py
@@ -0,0 +1,87 @@
+from typing import List
+
+import databases
+import pytest
+import sqlalchemy
+
+import ormar
+from tests.settings import DATABASE_URL
+
+database = databases.Database(DATABASE_URL, force_rollback=True)
+metadata = sqlalchemy.MetaData()
+
+
+class NickNames(ormar.Model):
+    class Meta:
+        tablename = "nicks"
+        metadata = metadata
+        database = database
+
+    id: int = ormar.Integer(primary_key=True)
+    name: str = ormar.String(max_length=100, nullable=False, name="hq_name")
+
+
+class NicksHq(ormar.Model):
+    class Meta:
+        tablename = "nicks_x_hq"
+        metadata = metadata
+        database = database
+
+
+class HQ(ormar.Model):
+    class Meta:
+        tablename = "hqs"
+        metadata = metadata
+        database = database
+
+    id: int = ormar.Integer(primary_key=True)
+    name: str = ormar.String(max_length=100, nullable=False, name="hq_name")
+    nicks: List[NickNames] = ormar.ManyToMany(NickNames, through=NicksHq)
+
+
+class Company(ormar.Model):
+    class Meta:
+        tablename = "companies"
+        metadata = metadata
+        database = database
+
+    id: int = ormar.Integer(primary_key=True)
+    name: str = ormar.String(max_length=100, nullable=False, name="company_name")
+    founded: int = ormar.Integer(nullable=True)
+    hq: HQ = ormar.ForeignKey(HQ)
+
+
+@pytest.fixture(autouse=True, scope="module")
+def create_test_database():
+    engine = sqlalchemy.create_engine(DATABASE_URL)
+    metadata.drop_all(engine)
+    metadata.create_all(engine)
+    yield
+    metadata.drop_all(engine)
+
+
+@pytest.mark.asyncio
+async def test_init_and_construct_has_same_effect():
+    async with database:
+        async with database.transaction(force_rollback=True):
+            hq = await HQ.objects.create(name="Main")
+            comp = Company(name="Banzai", hq=hq, founded=1988)
+            comp2 = Company.construct(**dict(name="Banzai", hq=hq, founded=1988))
+            assert comp.dict() == comp2.dict()
+
+            comp3 = Company.construct(**dict(name="Banzai", hq=hq.dict(), founded=1988))
+            assert comp.dict() == comp3.dict()
+
+
+@pytest.mark.asyncio
+async def test_init_and_construct_has_same_effect_with_m2m():
+    async with database:
+        async with database.transaction(force_rollback=True):
+            n1 = await NickNames(name="test").save()
+            n2 = await NickNames(name="test2").save()
+            hq = HQ(name="Main", nicks=[n1, n2])
+            hq2 = HQ.construct(**dict(name="Main", nicks=[n1, n2]))
+            assert hq.dict() == hq2.dict()
+
+            hq3 = HQ.construct(**dict(name="Main", nicks=[n1.dict(), n2.dict()]))
+            assert hq.dict() == hq3.dict()
diff --git a/tests/test_model_definition/test_save_status.py b/tests/test_model_definition/test_save_status.py
index 93e89ac..9762810 100644
--- a/tests/test_model_definition/test_save_status.py
+++ b/tests/test_model_definition/test_save_status.py
@@ -63,7 +63,7 @@ def create_test_database():
 
 
 @pytest.mark.asyncio
-async def test_instantation_false_save_true():
+async def test_instantiation_false_save_true():
     async with database:
         async with database.transaction(force_rollback=True):
             comp = Company(name="Banzai", founded=1988)