Any time to have an abortion is not good for the body, it is a kind of damage, but if you have to do it, 40 days of pregnancy is the right time to have an abortion. Abortion by negative pressure suction is suitable for those who require termination of pregnancy within 10 weeks of pregnancy without contraindication, and those who are not suitable to continue the pregnancy due to certain diseases or genetic disorders. The main side effects include anesthesia accident, intraoperative and postoperative bleeding, infection, incomplete abortion, missed suction, postoperative uterine adhesion, postoperative infertility, etc. The side effects are usually relatively few, accounting for about 5%, but they are often seen, so abortion is not a method of contraception, but a last resort after contraceptive failure, so try to avoid abortion. In order to reduce the damage of abortion to the organism, the following must be noted after the operation: i. Rest for 14 days after the operation. Second, the bleeding should generally stop within 2 weeks after the operation. If there is still abdominal pain, fever or increased bleeding 2 weeks after the operation, you should consult a doctor promptly. Third, 14 days and 30 days after surgery should be routine follow-up, ultrasound to observe whether the abortion is done clean. Fourth, 2 weeks after the operation is prohibited to take a tub bath, 4 weeks do not have intercourse. V. Receive guidance on contraception to avoid further abortions.