If you don’t have your period for a few months in a row, you should consider pregnancy, secondary amenorrhea, menopause, etc. It is recommended that you go to the hospital for a checkup to determine the cause.1. Pregnancy: If a woman of childbearing age who usually has regular menstrual periods, has a normal sex life, and doesn’t use effective contraception and doesn’t have her period for a few months in a row, you should consider that it is menopause caused by pregnancy. It is recommended to use pregnancy test on your own, or go to the hospital to check the blood HCG level through blood sampling, ultrasound and other ways to clearly determine; 2, secondary amenorrhea: mostly due to mental stress, rapid weight loss or disease factors. It is necessary to improve the examination of uterus, ovary, pituitary function, actively find the organic disease causing amenorrhea and treat it symptomatically, and at the same time, follow the doctor’s instructions to give hormone therapy to supplement the body’s hormone insufficiency or antagonize too much. If there are reproductive requirements, hormone or its analogs can be used to induce ovulation, such as clomiphene, gonadotropins, etc.; 3, menopause: most common in 45-55 years old women, mainly due to the decline of ovarian function, in addition to not having menstruation for a few months in a row, accompanied by fatigue, headache, dizziness, and mood changes, can be prescribed by the estrogen treatment, in order to control and prevent the various symptoms of menopause; 4, others: such as polycystic ovary syndrome, hyperprolactin syndrome, and other diseases. Others: endocrine diseases such as polycystic ovary syndrome, hyperprolactinemia, or past history of uterine surgery leading to uterine adhesions, the above conditions will lead to several months without menstruation, and the symptoms can be improved by actively treating the primary disease.