Abortion, also known as miscarriage, cannot have sex within 1 month after miscarriage, because sex within 1 month can cause intrauterine infection, because the endometrial damage has not been completely repaired, the endocervix has not returned to normal, it may be in an open state, and some people may also have bleeding, at this time to have sex, bacteria are easy to upstream infection, causing inflammation of the endometrium, serious The impact on the next pregnancy is very obvious. In the first month, you must pay attention to the hygiene of your vulva, wash your vulva every night and change your underwear.