7 months pregnant left abdominal pain, may be caused by contractions, is a normal physiological phenomenon, no need to deal with, may also be anomalies such as aura of labor, or disease and other factors: 1, physiological phenomenon of pregnancy: embryonic development process gradually become bigger, there may be a hidden pain in the left abdomen, pregnant women do not need to worry too much; 2, caused by contractions: 7 months pregnant, some pregnant women will have paroxysmal physiological contractions, patients can be Poor gastrointestinal function: may be caused by cold food or cold, accompanied by paroxysmal pain in the stomach, sometimes the location of the pain in the left abdomen, often accompanied by vomiting, nausea, and diarrhea reaction, etc. in severe cases; 4, trauma: if for the fall or the left side of the abdomen by the impact of trauma caused by the obvious abdominal pain, accompanied by vaginal bleeding, you should go to the hospital in time to consult the doctor; 5, the birth of a baby Aura: If regular left abdominal pain, brown vaginal discharge, tightness and hardness of the abdomen, rupture of amniotic fluid and other symptoms occur, go to the hospital in time to wait for delivery; 6, peripheral organ lesions: If persistent left abdominal pain occurs, it may be intestinal lesions, urinary tract diseases or gynecological diseases, such as acute gastroenteritis, urinary stones, left adnexitis, etc., and it is recommended to go to the hospital for examination in a timely manner.