What is predisposing factor of hydatidiform mole?

* Age: The risk of hydatidiform mole increases with age, especially after the age of 35.

* Ethnicity: Hydatidiform mole is more common in Asian women than in women of other ethnicities.

* Previous hydatidiform mole: Women who have had a previous hydatidiform mole are at an increased risk of having another one.

* Family history of hydatidiform mole: Women who have a family history of hydatidiform mole are at an increased risk of having one themselves.

* Nutritional deficiencies: Women who are deficient in certain nutrients, such as folate, vitamin B12, and zinc, are at an increased risk of having a hydatidiform mole.

* Obesity: Obese women are at an increased risk of having a hydatidiform mole.

* Diabetes: Women with diabetes are at an increased risk of having a hydatidiform mole.

* Hypertension: Women with hypertension are at an increased risk of having a hydatidiform mole.