There is no such thing as a couple of times a month is normal, couples need to combine their own situation, choose the appropriate frequency of coitus, do not harm the health of the body can be. Due to individual differences, there is no such thing as how many times a month a normal sex life is normal, and there is no fixed limit to the number of times. If the couple’s sex life is harmonious, the day after the coitus does not exist body weakness, back pain, fatigue, concentration and other uncomfortable symptoms, usually two to three times a week, according to their own situation to adjust the frequency of coitus can be. For couples who need to prepare for pregnancy, you can increase the frequency of sex in the female ovulation, which is conducive to improving the chances of pregnancy. For couples who are not ready to get pregnant, they need to do a good job of contraception, especially during the ovulation period, to avoid accidental pregnancy. After intercourse, both husband and wife need to keep the local clean and clean, so as to avoid secondary infection. If the patient has abnormal physical discomfort after sex, he or she should go to a regular hospital and undergo a relevant examination to determine the cause of the disease.