The finding of chorionic villi and meconium in uterine evacuation may be a normal phenomenon, or it may be caused by hyperemesis gravidarum, uterine cavity residue, and so on. 1. Normal phenomenon: women will appear after pregnancy trophoblast, chorionic villi, meconium, if the woman at this time to clear the uterus surgical treatment, in the pathological examination will find chorionic villi or meconium. 2. Gonorrhea: when women undergo surgical evacuation of the uterus, not only will chorionic villi and meconium be found in the pathological examination, but also blood human chorionic villus and meconium will be found in the pathological examination. And do blood human chorionic gonadotropin HCG test, will find that the serum HCG exceeds the normal value. In addition, ultrasound examination will find that the uterine cavity appears honeycomb, falling snow-like images. 3. Uterine cavity residue: after the removal of the uterus surgery embryonic tissue residue, in the pathological tissue examination will also be found in the chorionic villi and meconium tissue. If it is a physiological phenomenon that leads to the discovery of chorionic villi or meconium in the uterus, it can be left untreated. If it is a disease that leads to chorionic villi or decidualization in the clearance of the uterus, it is necessary to consult a doctor in a timely manner, and you can follow the doctor’s instructions to choose the appropriate measures for treatment.