The term “great aunt” generally refers to a woman’s menstruation. If menstruation does not come, we should first find out the reason, physiological reasons, such as pregnancy, breastfeeding, generally do not need special treatment; pathological reasons, such as polycystic ovary syndrome, uterine adhesion, etc., find out the reason and follow the doctor’s instructions for medication and surgical treatment. 1. Physiological reasons: (1) pregnancy: women who have sex without menstruation may be pregnant, you can go to the hospital to take blood to check HCG (human chorionic gonadotropin) pregnancy test, you can also determine whether the urine pregnancy test, pregnancy is not menstruation is normal, no special treatment. (2) Breastfeeding: during the breastfeeding period, the secretion of lactogen increases, which inhibits the secretion of estrogen and progesterone levels in the body, and the endometrium will not undergo cyclic stripping, so it is normal for menstruation to be suspended, and no special treatment is needed. 2. Pathologic causes: (1) Polycystic ovary syndrome: due to hyperandrogenemia, sparse ovulation or no ovulation, it will cause women to have amenorrhea and have the performance of not having menstruation. You can use progesterone, ethinyl estradiol cyproterone tablets, etc. under the guidance of doctors to regulate menstruation. (2) Uterine cavity adhesion: the uterine cavity operation or multiple abortions after damage to the uterine lining may cause uterine cavity adhesion and lead to menstruation, can follow the doctor’s instructions through the hysteroscopic surgery to release the adhesion. There are many reasons why menstruation does not come, it is recommended to go to the hospital, improve the relevant examination, under the guidance of professional doctors to clarify the cause of the disease, and active treatment.