Pregnancy does not directly lead to hair growth, hair growth is not necessarily related to pregnancy, if hair growth occurs, it may be the recent nutritional prosperity, androgen levels rise and so on. Pregnancy is not necessarily related to hair growth. If hair growth occurs during pregnancy, it may be due to an increase in androgens in the body, which stimulates hair growth and makes the hair lush. In addition, if the recent diet is high in nutrients and the body is well nourished, it will provide raw materials for the production of hair, which may also lead to more hair. Pregnant women who experience abnormal hair growth or the presence of other uncomfortable symptoms during pregnancy are advised to go to the hospital in a timely manner for standardized treatment under the guidance of a doctor.