After the period of intercourse need to pay attention to observe, if there is no uncomfortable feeling and symptoms generally do not need to worry about, also does not mean that the period of intercourse will certainly lead to disease, once in a while, the general impact may not be very big, in order to prevent inflammation and infection, can also be oral amoxicillin capsules or azithromycin dispersible tablets, you can reduce the chances of infection. In the future, you should pay special attention to the menstrual period should be prohibited sex, this time the endometrium shedding the formation of blood sinus, sex process exogenous pathogenic microorganisms invasion, may enter the blood sinus lead to inflammation and infection. Ejaculation in the vagina, semen and the female blood encounter may produce anti-sperm antibodies, infertility may occur later.