How to determine whether the gestational sac is discharged, at present you can through two methods: 1, you can visually see whether the gestational sac is discharged, the normal gestational sac is discharged is complete with chorionic villi, can be rinsed at the water pipe, the villi are whitish as well as furry; 2, you can go to the regular hospital for ultrasound to observe whether there is still a gestational sac in the uterine cavity. If there is a residue or there is a pregnancy sac, it is recommended to carry out the next step of treatment, such as purging the uterus or using medication again. The main thing is to look at the bleeding situation, if the bleeding is too much, or need to be timely treatment of the uterus. You need to use some anti-inflammatory drugs to prevent infection, and regular follow-up ultrasound to see how the uterus is recovering.