Outlet of the pelvis

Pelvic outlet
Diameters of inferior aperture of lesser pelvis (female).
Muscles of the female perineum.
Details
Identifiers
Latin	apertura pelvis inferior
FMA	17273
Anatomical terms of bone []

The lower circumference of the lesser pelvis is very irregular; the space enclosed by it is named the inferior aperture or pelvic outlet.

It has the following boundaries:

These eminences are separated by three notches:

When the ligaments are in situ, the inferior aperture of the pelvis is lozenge-shaped, bounded as follows:

Pelvic inlet

Articulations of pelvis. Anterior view.

Articulations of pelvis. Posterior view.