After a spontaneous abortion, it takes 1 month before a woman can have intercourse. After spontaneous abortion, there will be vaginal bleeding for a short period of time, which usually lasts for about 7 days, and the uterine lining needs to recover. If you have intercourse too soon after a spontaneous abortion, and there is still bleeding in the vagina, it is easy to cause bacteria in the vagina to infect the uterine cavity, uterine infection, pelvic inflammatory disease, and in serious cases, it may also affect the woman to get pregnant again, so it is recommended that women have intercourse after 1 month. In addition, the occurrence of spontaneous abortion is generally related to the lower quality of the embryo, the woman’s uterine cavity with inflammation, uterine cavity deformity, psychological stress, nutrition, fatigue and other factors, need to pay attention to. In conclusion, after the occurrence of spontaneous abortion, the patient should go to the hospital in time to do gynecological ultrasound and blood tests, in order to clarify the diagnosis and prevent the recurrence of spontaneous abortion.