If the test paper test is not pregnant and menstruation did not come, if the occasional menstruation is delayed about 7 days, may be due to emotional, stress, overwork and other factors, can first observe; beyond the time is too long to pay attention to, may be due to test paper and operational errors not detected pregnancy, may also be caused by gynecological diseases, need to specifically analyze the causes, the treatment of the cause. 1, test paper and operation problems 1, test paper expired: if women of childbearing age and not contraceptive, menstruation is delayed, the test paper test is negative, it is possible that the test paper is expired, improperly stored or operating errors appear false negative, so to clarify whether pregnancy, you need to go to the hospital to draw blood to check HCG, if the blood test HCG negative, it means no pregnancy; 2, test time is too early: early pregnancy test paper is generally to detect HCG concentration. If the concentration of HCG in the urine is not high in early pregnancy, it may not be able to show pregnancy. Therefore, when the test paper shows negative and no menstruation, it is recommended to retest after 3-4 days to see if it will turn positive. Second, gynecological diseases 1, endocrine disorders: such as polycystic ovary syndrome, ovarian hypofunction, long-term excessive weight loss, depression, oral hormonal drugs, etc., at this time need to test the sex hormone six. If necessary, metformin can be given to improve insulin resistance, and if there is a need for fertility, ovulation treatment can be given. 2. Organic diseases: such as uterine adhesions, pelvic inflammatory disease, endometritis, etc. Uterine adhesions without menstruation indicate serious adhesions, at this time, hysteroscopic surgery can be done. Hysteroscopic surgery and regular review. Women with pelvic inflammatory disease without menstruation need to take oral antibiotics for anti-inflammatory treatment. Endometritis can affect menstruation in severe cases and requires surgery.