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宫内避孕环异位有二种情况:一、避孕环部分或全部嵌入子宫肌层。二、避孕环穿过宫壁进入盆腔,绝大多数脱落在子宫周围。如子宫直肠窝、骶韧带,或包在阔韧带内,腹膜反折下,也可能附着于大网膜并随之上升到腹腔。避孕环异位者多无症状,往往在取环困难时才引起注意。经追询既往史。部分患者可能有放环困难,或于放环时有腹痛感。环嵌顿在子宫颈位较低者可出现腰酸,检查时有的患者可出现子宫压痛。
There are two cases of intrauterine contraceptive ring ectopic: First, part or all of the contraceptive ring embedded in the myometrium. Second, the contraceptive ring through the wall into the pelvis, the vast majority of off around the uterus. Such as uterine rectal fossa, sacral ligament, or wrapped in the broad ligament, peritoneal fold, may also be attached to the omentum and then rose to the abdominal cavity. Asymptomatic ring more than asymptomatic, often take the ring when difficult to attract attention. After the pursuit of past history. Some patients may have difficulties putting the ring, or ring when they have abdominal pain. Ring incarceration in the lower cervical position may appear backache, check the time some patients may appear uterine tenderness.