Abdominal pain without bleeding in early pregnancy is usually caused by unstable embryonic development in early pregnancy, ectopic pregnancy, combined ovarian cyst torsion, gynecological diseases, gastrointestinal diseases, etc.: I. Physiological abdominal pain: because the embryonic development in early pregnancy is in an unstable state, pregnant women who are overworked, stay up late, eat improperly or have sex can cause abdominal pain in early pregnancy without The situation of bleeding. You should pay attention to rest and adjust your lifestyle, while prohibiting sexual intercourse in early pregnancy, pay attention to observe your own situation, if there is no improvement at the same time with bleeding, you need to seek medical attention. Pathological abdominal pain: 1. Ectopic pregnancy: In the early stage of tubal pregnancy, if miscarriage or rupture has not yet occurred, there may often be no special clinical manifestations except abdominal pain. At this time, you should go to the hospital for ultrasound examination to confirm the diagnosis and provide timely treatment and, if necessary, terminate the pregnancy; 2. Bacterial infection leads to gynecological diseases, such as pelvic inflammatory disease, adnexitis, cervicitis, etc., which can cause abdominal pain and bleeding in early pregnancy. Pregnant women should pay attention to strengthening personal hygiene, and when the inflammation is serious, the correct medication should be used under the guidance of a doctor; 4. other diseases: if there are diseases of the gastrointestinal tract and abdominal cavity, such as enteritis, intestinal obstruction, intestinal spasm, cholecystitis, liver disease, etc., abdominal pain can occur, but it will not cause bleeding. You should promptly seek medical attention to improve the examination and carry out symptomatic treatment under the guidance of the doctor.