骨盆被经过骶骨岬和界线的斜面分为大骨盆和小骨盆，也称为假骨盆和真骨盆。小骨盆前壁短，后壁长，一弯曲的管道，成年男女有明显的性别差异。
均小骨盆 [妇产] generally contracted pelvis
缩小骨盆 contracted pelvis
横径狭小骨盆 transversely contracted pelvis
矮小骨盆 dwarf pelvis ; pelvis nana
大小骨盆 Greater pelvis
均小骨盆引起的梗阻性分娩 Obstructed labor due to generally contracted pelvis
为均小骨盆引起的胎盆不称给予的孕产妇医疗 Maternal care for disproportion due to generally contracted pelvis
骨盆部巨大软骨肉瘤侵及小骨盆腔和内收肌群，病人非常痛苦。
Fig1a huge chondrosarcoma protruded into minor pelvic cavity and adduction muscle group it is very painful.
骨盆部巨大软骨肉瘤侵及小骨盆腔和内收肌群，病人非常痛苦。
Fig1 a huge chondrosarcoma protruded into minor pelvic cavity and adduction muscle group it is very painful.
结果84例臀肌挛缩症合并骨盆倾斜患者，假性长肢侧臀小肌挛缩者76例，占90％。
Results Among the 84 cases of gluteal contracture with the pelvis obliquity, 76(90% ) cases had gluteal muscle contracture of the longer limp.
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