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受精卵在子宫体腔以外着床称为异位妊娠,习称宫外孕[1]。异位妊娠依受精卵在子宫体腔外种植部位不同而分为:输卵管妊娠、卵巢妊娠、腹腔妊娠、阔韧带妊娠、宫颈妊娠[1]。异位妊娠是妇产科常见的急腹症,是造成腹腔内出血甚至导致孕妇死亡的一个重要原因。近年由于多次剖宫产史、人流、药流、引产及盆腔炎症的增加,使异位妊娠发病率逐年上升。超声广泛应用于临床和快速敏感的血清β-绒毛膜促性腺激
Fertilized eggs in the uterine body implantation outside the bed called ectopic pregnancy, Xi said ectopic pregnancy [1]. Ectopic pregnancy according to zygotes in the uterine cavity implantation site is divided into different parts: tubal pregnancy, ovarian pregnancy, abdominal pregnancy, broad ligament pregnancy, cervical pregnancy [1]. Ectopic pregnancy is a common obstetrics and gynecology acute abdomen, is caused by intra-abdominal bleeding and even lead to the death of pregnant women is an important reason. In recent years due to repeated cesarean section history, abortion, medical abortion, induced abortion and pelvic inflammatory disease increased, so that the incidence of ectopic pregnancy increased year by year. Ultrasound is widely used in clinical and rapidly sensitive serum β-chorionic gonadotropin