If a woman has a regular menstrual cycle and then has amenorrhea for five years, then it is considered to be related to abnormal ovarian function and will not cause pregnancy after intercourse. Menstruation is due to women’s ovarian function cyclical production of estrogen and progesterone and caused by the endometrial exfoliative bleeding, if amenorrhea for five years, it is considered that women’s ovarian function is abnormal, at this time there will not be ovulation, so generally will not cause pregnancy after coitus. For women around the age of 50, if the last five years of amenorrhea is considered normal; if amenorrhea occurs before the age of 45 for five years, it is considered abnormal, then we should be alert to the occurrence of premature ovarian failure. For patients with ovarian hypoplasia, if the patient’s age is relatively young, it is necessary to follow the doctor’s instructions to supplement estrogen and progesterone or use traditional Chinese medicine; if the age is relatively old, this time there is no special treatment, if the patient’s menopausal symptoms are obvious, it can be used to regulate the use of traditional Chinese medicine, the specific need to comply with the doctor’s instructions.