In general, it is recommended that patients have intercourse one month after the miscarriage, because patients need to dilate the cervix during the miscarriage, and there will be bleeding in the vagina after the miscarriage, coupled with the hormone level changes in the patient’s body during the miscarriage, which causes the patient’s vaginal environment to be damaged. Vaginal resistance is relatively low, this time coitus is particularly easy to cause vaginitis, inflammation upstream infection leads to the occurrence of pelvic inflammatory diseases, so it is not recommended that the patient in this time coitus. Secondly, after the patient abortion due to hormonal changes, ovarian function has been damaged, so the patient’s ovulation function may be disrupted, so the patient does not have the means to predict the normal ovulation period, this time if you do not do a good job of contraception, may lead to unwanted pregnancies, multiple abortions on the patient’s physical health is a very big impact.