The first time not clean up the grapes, the rest of the tissue is divided again, triggering physical symptoms in the case of the need for a second time to clear the uterus; uterine volume is greater than twelve weeks of the case of the need for a second time to clear the uterus. After a woman has a hyperemesis gravidarum, not all patients have to undergo a second removal of the uterus, the uterus is less than twelve weeks of gestation, basically can be cleared up once, do not need to do a second removal of the uterus. If the uterus is smaller than twelve weeks’ gestation, it can be cleared once and does not need to be cleared twice. The examination found that the uterine volume is greater than twelve weeks, the uterus is large and soft, the risk of one-time clearance is relatively high, there is a risk of hemorrhage, perforation of the uterus, etc., you can do a second clearance. Female patients diagnosed with hyperemesis gravidarum should consult the doctor for treatment in time, and do regular review work, and deal with any abnormalities in time.