Pelvic outlet

Definition

The pelvic outlet is the inferior opening of the pelvis, bounded by the pubic arch, ischial tuberosities, and the sacrococcygeal joint. It plays a crucial role in childbirth as it is the passage through which the fetus exits the mother's body.

Related terms

Pelvis:

The bony structure located at the base of the spine that supports the upper body and connects it to the lower limbs.

Ischial tuberosities: The rounded bones that you sit on; they form part of the boundary of the pelvic outlet.

Sacrococcygeal Joint: The joint formed between the sacrum and coccyx bones, contributing to forming the posterior boundary of the pelvic outlet