A woman’s stomach ache fourteen days after the embryo transfer may be a normal phenomenon, or it may be caused by pre-miscarriage or gynecological inflammation and other diseases. 1. Normal phenomenon: women in the embryo transfer fourteen days after the vague pain in the stomach may be the embryo normal implantation and development of contractions, this phenomenon is a normal physiological phenomenon, pregnant women do not have to worry too much. 2. Pathological causes: (1) Pre-eclampsia: If a woman has a vague pain in her stomach fourteen days after the embryo transfer, accompanied by a small amount of vaginal bleeding, it may be a symptom of pre-eclampsia. (2) Gynecological inflammation: if a woman has a vague pain in her stomach fourteen days after embryo transfer, it may also be caused by gynecological inflammation, such as pelvic inflammatory disease, cervicitis and other diseases. If a woman’s stomach aches fourteen days after embryo transfer, or other symptoms, she should go to the hospital in time, complete the relevant examinations, and then give targeted treatment under the guidance of a professional doctor to identify the cause.