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Updated: Aug 20, 2026

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse (POP) Quantification System
Published on: September 20, 2018
Evolution of the female pelvis and relationships to pelvic organ prolapse
Megan Schimpf1, Paul Tulikangas
1Department of Obstetrics and Gynecology, University of Connecticut Health Center, Farmington, 06030, USA. schimpf@gme.uchc.edu
Insights
The female pelvis evolved to support organs and childbirth, but this adaptation may lead to pelvic organ prolapse due to structural limitations. This review examines evolutionary changes in primate and human female pelvic anatomy.
Area of Science:
- Evolutionary biology
- Anatomy
- Gynecology
Background:
- The female pelvis supports lower limbs, pelvic organs, and acts as a birth canal.
- Evolutionary adaptations of the pelvis are crucial for understanding its functions.
- Limitations in pelvic structure may contribute to pelvic organ prolapse.
Purpose of the Study:
- To review the evolutionary changes in nonhuman primate and human female pelvic anatomy.
- To explore the functional adaptations of the female pelvis.
- To understand the relationship between pelvic structure and pelvic organ prolapse.
Main Methods:
- Comparative anatomical review of nonhuman primate and human female pelves.
- Analysis of evolutionary pressures on pelvic structure and function.
- Literature synthesis on pelvic organ support and prolapse.
Main Results:
- The female pelvis has undergone significant evolutionary modifications.
- Adaptations for bipedalism and childbirth present biomechanical challenges.
- The transition to a supportive role for pelvic organs highlights potential vulnerabilities.
Conclusions:
- Evolutionary history shapes the female pelvis, influencing its functional capacity.
- Understanding pelvic evolution is key to addressing conditions like pelvic organ prolapse.
- Further research into primate and human pelvic anatomy can inform clinical practice.
Abstract:
The female pelvis provides support for the lower limbs as well as for the gastrointestinal tract, the bladder, and the reproductive organs. It must also serve as a passageway for defecation, urination, and, possibly, delivery of an infant. The bones, ligaments, and muscles of the human female pelvis have evolved from our early ancestors. Pelvic organ prolapse may occur because of the limitations involved with adapting the pelvic bones, muscles, and ligaments previously used for other purposes into a supportive role. Here we review these changing roles and functions of nonhuman primate and human female anatomy.
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