Abortion can be performed on the 70th day of pregnancy. If you are a young woman who has not had children, you may be given one tablet of misoprostol vaginally to promote dilation of the cervical opening and to reduce the irritation of intraoperative dilatation before the abortion. Pre-operative examination should be carried out routinely, the routine leukorrhea, blood routine, infectious diseases, electrocardiogram examination. Because 70 days of abortion, the gestational sac is relatively large, some of the well-developed may exist amniotic fluid, so, the harm to the woman is relatively large, you can consider the use of a large suction device, after sufficient dilation of the cervix, the use of negative pressure suction suction to suck out the uterine cavity of the pregnancy, the meconium tissue. 7-10 days after the operation should be routinely performed ultrasound examination, to understand the uterine recovery, as well as the presence of the uterine cavity of the blood and residual situation. Generally, it is recommended that abortion be performed within 45-60 days of menopause.