Which single factor is considered the strongest risk factor for the development of pelvic organ prolapse?
- A Chronic constipation
- B Postmenopausal estrogen deficiency
- C Vaginal parity ✓
- D Obesity
Correct answer: C. Vaginal parity
Explanation
Vaginal birth is the strongest risk factor for pelvic organ prolapse because it stretches and denervates the levator ani muscles and damages the endopelvic fascial supports. Each additional vaginal delivery further increases risk. Obesity and chronic straining are modifiable cofactors, and estrogen deficiency weakens connective tissue, but none matches the magnitude of injury from vaginal childbirth.
Reference: Berek and Novak's Gynecology, 16th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.