Early in pregnancy, the first thing to do is to observe whether the pregnant woman is abnormal, if there is no abnormal reaction, generally do not need to worry. If abdominal pain, vaginal bleeding and other adverse reactions, you need to go to the regular hospital immediately to prevent miscarriage. Early pregnancy coitus may cause different degrees of harm, such as infection, abdominal pain and vaginal bleeding, and in serious cases, may even lead to preterm miscarriage. If you accidentally have intercourse in early pregnancy, you need to pay attention to whether the pregnant woman has an abnormal reaction. If there is no adverse reaction, there is no need to worry, you need to rest more, avoid having sex again, and we recommend that you find time to go to the hospital for a relevant examination. If the pregnant woman has abdominal pain and vaginal bleeding and other abnormalities, you need to take the patient to the hospital immediately, go to the hospital for gynecological ultrasound and other examinations, in order to prevent the emergence of preeclampsia, when the condition is serious, you need to cooperate with the doctor for standardized treatment. Early pregnancy usually need to try to avoid coitus, otherwise it may have adverse consequences for pregnant women, pregnancy should follow the doctor’s instructions on time maternity examination, if there is any discomfort, should promptly go to the hospital, follow the doctor’s instructions to deal with the treatment.