The POP-Q (Pelvic Organ Prolapse Quantification) system uses six measurement points (Aa, Ba, C, D, Gh, Pb, TVL) relative to the hymen. In a woman with Stage III cystocele on POP-Q, the anterior vaginal wall point Ba is:

• A +3 cm beyond the hymen (distal to hymen)
• B Between -1 and +1 cm relative to hymen (within 1 cm of hymen)
• C At -3 (3 cm proximal to hymen)
• D > +1 cm beyond the hymen but the leading edge has not descended to the maximum possible descent ✓

Explanation

POP-Q stages: Stage 0 = no prolapse; Stage I = leading edge > 1 cm proximal to hymen (< -1); Stage II = within -1 to +1 cm of hymen; Stage III = leading edge > +1 cm beyond hymen but ≤ TVL - 2 cm (not at maximum descent); Stage IV = at or beyond TVL - 2 cm (essentially complete eversion). For Stage III, Ba is > +1 cm distal to hymen but the prolapse has not reached maximum possible descent. Selecting > +1 cm without complete descent characterises Stage III.

Reference: Shaw's Textbook of Gynaecology, 17th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

Written and medically reviewed by the StethoPrep medical team.