Lower abdominal discomfort after tubal fluids, may be in the process of fluids in the presence of uterine cavity expansion and tubal dilatation, tubal patency abnormal local pressure elevation causes tubal spasms, there may also be infections, etc., need to be combined with the patient’s clinical symptoms specific analysis. 1. Uterine cavity or tubal dilatation: when patients undergo tubal fluids, the fluid passes through the uterine cavity and fallopian tubes, which may cause uterine cavity and tubal dilatation, resulting in patients experiencing lower abdominal discomfort. 2. Abnormal tubal patency and elevated local pressure: tubal impassability or patency will also increase local pressure and irritation symptoms after tubal fluids are passed, at this time, tubal spasm is possible, and due to the involvement of the nerves, it will make the patient feel discomfort in the lower abdomen. 3. Presence of infection: the patient’s body immunity is reduced, after tubal fluids, bacteria and other pathogens take the opportunity to invade the pelvis, causing partial damage to the pelvic tissues, which is easy to cause inflammatory lesions, resulting in abdominal discomfort. Patients who have pain and other discomforts in the body after tubal fluids, as well as other reasons, should seek medical attention in time and be treated under the professional guidance of the doctor.