The next day after the abortion, three times the same sex on the woman’s damage is relatively large, because just after the operation, the endometrium is not completely normal, this time the same sex will cause vaginal bleeding, bacterial infection caused by pelvic inflammatory disease, and even endometriosis, leading to secondary infertility. Therefore, it is usually recommended to prohibit sexual intercourse for at least one month after abortion.1, vaginal bleeding: due to sexual excitement caused by coitus leads to uterine contraction, so that the blood remaining in the uterine cavity through the uterine contraction and discharged from the uterine cavity, resulting in vaginal bleeding. You can take oral motherwort capsules to effectively improve the situation of poor uterine recovery and blood accumulation in the uterine cavity. In case of heavy bleeding, you should go to the hospital for examination in time; 2. Bacterial upstream infection: it triggers pelvic inflammatory disease, with lower abdominal pain, fever, abnormal vaginal discharge increase or bleeding. Generally choose broad-spectrum antibiotics or combined drugs, such as penicillins, cephalosporins and other drugs, which can be taken orally, intramuscularly or intravenously; 3, endometriosis: during sex, the broken uterine mucosa if flowed elsewhere in the pelvis, resulting in endometriosis. Dysmenorrhea, abnormal menstruation, severe abdominal pain, etc. may occur, and need to go to the hospital in time to give medication or surgical treatment; 4, secondary infertility: three times intercourse on the second day after abortion may cause uterine adhesions or tubal blockage, leading to secondary infertility. After abortion generally should not have sex within one month, while avoiding tub baths or heavy physical labor, pay attention to local cleanliness and hygiene, change wash pants, wash private parts, so as to avoid gynecological inflammation.