After abortion, although the physiological recovery period is half a month, it takes a month for the endometrium to repair. After abortion, the uterine lining slowly transitions from the proliferative phase to the secretory phase, which takes about a month. It is best to swim after your first period and three days after you have cleared your period. If you swim too early, the swimming water is not sterile and enters the vagina, which is connected to the cervix, uterine cavity and pelvis. After swimming water enters the body, it may cause localized infections and lead to cervical inflammation, vaginal inflammation, endometrial inflammation, and even pelvic inflammation, resulting in more serious consequences. If it causes chronic tubal inflammation, it may lead to infertility, so one month after the abortion to resume menstruation, menstruation clean 3 days before you can swim.