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| 子宫峡 (为子宫体与子宫颈移行的部分，较狭细。非妊娠时，子宫峡不明显，长约 1cm。在妊娠期,子宫峡逐渐伸展变长，妊娠末期可延长至 7〜11cm。 产科常在此处进行剖宫产术，可避免腹膜腔感染) | |||
| 子宫峡 | |||
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