You cannot have an abortion at four months. Four months need to do induced abortion. If a woman does not want to have children, if she has delayed menstruation or early pregnancy reactions, such as nausea, vomiting, frequent urination, etc., she needs to go to the hospital as soon as possible to check whether she is pregnant or not. Early detection of pregnancy, early drug abortion or artificial abortion, compared to induced abortion damage is relatively light. If the patient is four months old, in this case go to the hospital as soon as possible to do induced abortion surgery, do not delay the condition. The larger the fetus, the greater the damage to the woman. After the induction of labor, you need to prohibit tub baths and sexual intercourse for one month, and need to take oral antibiotics to prevent infection. At the same time oral new biochemical granules or motherwort capsules, usually one week outpatient review.