Types of Pelvis

infantile pelvis a generally contracted pelvis with an oval shape, a high sacrum, and inclination of the walls; called also juvenile pelvis. pelvis jus´to ma´jor an unusually large gynecoid pelvis, with all dimensions increased.

anthropoid pelvis one whose anteroposterior diameter equals or exceeds the transverse diameter. assimilation pelvis one in which the ilia articulate with the vertebral column higher (high assimilation pelvis) or lower (low assimilation pelvis) than normal, the number of lumbar vertebrae being correspondingly decreased or increased.

gynecoid pelvis the normal female pelvis: a rounded oval pelvis with well rounded anterior and posterior segments. infantile pelvis a generally contracted pelvis with an oval shape, a high sacrum, and inclination of the walls; called also juvenile pelvis.

gynecoid pelvis the normal female pelvis: a rounded oval pelvis with well rounded anterior and posterior segments. infantile pelvis a generally contracted pelvis with an oval shape, a high sacrum, and inclination of the walls; called also juvenile pelvis.