The transfer is mainly the transfer of embryos. If there is a vague pain on the side of the ovary after the transfer, it is categorized into physiological and pathological reasons. If the cause is physiological, it is normal and usually disappears on its own. If it is a pathological cause, it is not normal, and it is recommended to consult a doctor in time for treatment. 1. Physiological reasons: If the patient has a slight pain in the abdomen, accompanied by tingling or cramp-like pain, most of them are related to the embryo implantation, which is a normal phenomenon, no need to worry too much about it, and the pain will gradually disappear and be relieved after a few days. 2. Pathological causes: if there are high fever, chills, accompanied by vague pain on the ovary, and even the phenomenon of aggravation of pain by pressing, then it is suspected that there is a secondary ovarian infection after egg retrieval, and it is recommended to go to the hospital in a timely manner. After the transplantation of the symptoms of hidden pain on the side of the ovary, it is recommended to find the cause in time, for the cause of the conditioning and treatment.