论文部分内容阅读
异位妊娠是指受精卵种植并发育于宫腔以外的器官或组织内,最常见的部位是输卵管,余为卵巢,子宫颈和腹腔。现分别将病因和危险因素列举如下:异位妊娠的病因一、输卵管妊娠有二大类病因:(一)延迟或制止受精卵进入宫腔:1.慢性输卵管炎:炎症后管腔皱褶粘连,致输卵管腔部分阻塞,内膜纤毛常有缺损,肌肉蠕动能力降低,均影响孕卵的移行。2.输卵管周围粘连:继发于阑尾炎,腹膜炎和盆腔子宫内膜异位症后的输卵管周围炎性粘连,常使孕卵运行缓慢。3.盆腔结核:由于病变部位纤维化和疤痕形成,造成输卵管腔部分性阻塞。Halbrsecht报道在抗结核治疗后怀孕者,其异位妊娠发生率高达66%。
Ectopic pregnancy refers to the fertilized egg is grown and developed in organs or tissues outside the uterine cavity, the most common site is the fallopian tubes, the remaining ovaries, cervix and abdominal cavity. Etiology and risk factors are listed below, respectively: etiology of ectopic pregnancy, tubal pregnancy has two major causes: (A) delay or stop the fertilized egg into the uterine cavity: 1. Chronic salpingitis: lumen follicular adhesion after inflammation , Causing partial obstruction of the fallopian tube lumen, cilia often defects in the endometrium, decreased muscle motility, affecting the migration of pregnant eggs. 2. Tubal adhesions around: Secondary to appendicitis, peritonitis and pelvic endometriosis after tubal inflammatory adhesions, often make the egg slow to run. 3. Pelvic tuberculosis: due to lesion fibrosis and scar formation, resulting in partial obstruction of the tubal cavity. Halbrsecht reported that the incidence of ectopic pregnancy was as high as 66% for those who became pregnant after anti-TB treatment.