It is important to observe whether there is any discomfort after sexual intercourse in early pregnancy and then treat the symptoms. If there is no lower abdominal pain, vaginal bleeding and other aura miscarriage after sexual intercourse in early pregnancy, you can observe temporarily and pay attention to proper rest, and you should not have sexual intercourse in early pregnancy in the future. If a woman has mild lower abdominal pain and a small amount of vaginal bleeding after sexual intercourse, it indicates a case of pre-eclampsia, and she needs to go to the hospital for gynecological ultrasound, blood HCG and progesterone test. If there is a preterm miscarriage, the woman should take proper rest and be given progesterone medication for fetal preservation. If the lower abdominal pain and vaginal bleeding disappear after treatment, and the embryo develops in accordance with the gestational week and the fetal heartbeat is good, the pregnancy can continue.