Regular sexual intercourse may affect the menstrual cycle and may even induce reproductive tract disorders. Normally normal sexual life will not affect menstruation and will promote regular menstrual cycle. This is because normal sex can promote the balance of female endocrine in order to reduce menstrual cramps, but also able to make the mood happy. However, if the regular sex life, the number of times too often, may affect the normal menstrual cycle. Even frequent sexual life can not reach the normal rest, but also let women in too tired state, which leads to low resistance, prone to some reproductive system diseases, in turn, will also affect the normal menstrual cycle. If the menstrual cycle is abnormal due to too frequent sex, you should go to the gynecological hospital in time to clarify the cause of the disease and timely treatment, in order to get well soon.