Low pituitary prolactin in a woman’s body can easily lead to insufficient milk secretion during breastfeeding, which in turn affects the nutritional status of the newborn. During puberty, the pituitary prolactin can promote the further development of breast tissue and mammary tissue. If the pituitary prolactin in the body is low, it is likely to cause impaired development of female breasts, resulting in female breasts being too small. At the same time, pituitary prolactin also plays a role in ovarian hormones and progesterone, if the pituitary prolactin is too low, it will affect the synthesis and release of ovarian hormones and progesterone to a certain extent, which in turn affects the patient’s menstruation and normal life, and can easily lead to excessive menstruation or even the phenomenon of collapse, which affects the safety of women’s lives, and the low level of pituitary prolactin will play an important role in a number of aspects. effects.