Pelvic outlet

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.