Fetal sac 1.0cm generally can not do abortion. Fetal sac 1.0cm is relatively small, at this time to do abortion may be missed suction, the patient’s later physical recovery will have a greater impact, so it is best not to rush to perform abortion, you can first consult a doctor to check the growth of the gestational sac. If you want to have a medication abortion, you can have a medication abortion within 49 days of pregnancy, which can promote the expulsion of the gestational sac. If you want to have an artificial abortion, you can wait for a period of time, and then you can choose to have an artificial abortion when the gestational sac grows to about 1.5cm. Regardless of whether the abortion is a medical abortion or an artificial abortion, it is necessary to regularly consult a doctor for a review to avoid the impact on the later recovery of the body.