Constipation after in vitro transfer can be used because the glycerin inside the medication will not be absorbed by the intestines and will not affect the embryo, so it can be used. Most women are prone to constipation after IVF transplantation, mainly due to the gradual increase of estrogen secretion in the body after transplantation, which inhibits gastrointestinal motility, so it can cause constipation. The constipation can also be caused by gastrointestinal dysfunction. Most of the constipation symptoms can be improved by appropriate activities and eating more coarse fiber food. If the constipation is more serious after transplantation, it can also be treated by anal administration of clozapine. Because long-term use of corkage can produce a certain degree of dependence, resulting in more serious constipation symptoms, try not to use long-term. The main ingredient is glycerin, which can be squeezed directly into the anus for laxative effect.