患女,31岁,孕_2产_2。因闭经40天,阴道流血伴左下腹剧烈疼痛1天入院,入院前两天早上洗衣后,突然阴道流血,伴畏寒、发热、下腹部隐痛及坠胀感。无早孕反应,无剖腹产史、外伤史,人工流产1次,4年前放节育环。体检:贫血面容,血压1.333/9.33kPa、腹部平坦,腹肌紧张,下腹压痛、反跳痛(+)以左下腹明显,移动性浊音 Affected women, 31 years old, pregnant _2 _2. Because of amenorrhea for 40 days, vaginal bleeding with severe pain in the left lower quadrant 1 day admission, two days before admission to the morning after washing, a sudden vaginal bleeding, with chills, fever, lower abdominal pain and bulge. No early pregnancy reaction, no history of caesarean section, history of trauma, abortion 1, put the ring 4 years ago. Physical examination: anemia face, blood pressure 1.333 / 9.33kPa, flat belly, abdominal muscle tension, abdominal tenderness, rebound tenderness (+) to the left lower quadrant was obvious, dullness of mobility