Embryo transfer will appear: 1, abdominal pain after transfer, often patients complain of abdominal pain discomfort after transfer, there is mild abdominal pain, sometimes like pins and needles, the site is not variable, the time is not variable, generally no big deal. However, sudden onset of severe abdominal pain should go to the hospital immediately. Abdominal pain after egg retrieval should be alerted to the presence of internal bleeding; 2. Bleeding after IVF transplantation, attention should be paid to the location of the bleeding, and there may be a small amount of bloody secretion if the bleeding is not too much. If the bleeding is heavy and lasts for a long time, you should go to the hospital to find out where the bleeding is, and ultrasound should be carried out if necessary to determine whether there is intrauterine bleeding; 3, abdominal bloating and chest tightness after transplantation, abdominal bloating after transplantation is mostly related to injection of progesterone, reduction of intestinal peristalsis, and excessive rest. However, if the patient injects too much HCG estrogen and takes too many eggs, more attention should be paid, and at this time, we should be alert to the occurrence of ovarian hyperstimulation syndrome, which is a more dangerous symptom. If the symptoms gradually aggravate, you should immediately go to the hospital; 4, the phenomenon of post-transplantation constipation.