If it is an intrauterine pregnancy of 40 days, abortion can be performed, and note that ectopic pregnancy cannot be aborted. The abortion methods include medical abortion and surgical abortion. 1.Medical abortion: if the pregnant woman is determined to be intrauterine through ultrasound examination and the number of days of pregnancy is 35-49 days, she can choose to have a medical abortion, mainly two drugs, mifepristone and misoprostol, and take the drugs under the guidance of a doctor, after the abdominal pain and vaginal bleeding, observe whether the pregnancy sac is discharged, the pregnancy sac is usually a 2 cm-sized blister-like substance. The procedure is suitable for intrauterine pregnancies between 35 and 70 days of pregnancy, and can be performed after the exclusion of contraindications. The operation is carried out under anesthesia induction, and pregnant women have no pain during the operation, which can generally be completed in 10-30 minutes. Pregnant women, whether they have a medication abortion or a surgical abortion, need to go to the hospital after 2 weeks for a follow-up ultrasound to check whether there is incomplete abortion or residual uterine cavity, and if there is any of the above, they need to be treated with a clearance surgery.