You can have intercourse 2-3 days after your period. Menstruation refers to the cyclical shedding and bleeding of the endometrium that accompanies the periodic ovulation of the ovaries. Sexual intercourse is prohibited during menstruation and can be performed 2-3 days after menstruation is over. Within 2-3 days after the end of menstruation, the cervical opening is not yet closed, and sex at this time may lead to the invasion of pathogenic microorganisms, which is prone to vaginitis, cervicitis, adnexitis, pelvic inflammatory disease and so on. In addition, just after menstruation, sex will stimulate uterine contractions, which may cause a small amount of vaginal bleeding. Therefore, you can have sex again after 2-3 days of clean menstruation. Starting sexual intercourse 2-3 days after menstruation is clean will help reduce the occurrence of diseases.