Table 51.1—Classification of Pelvic Organ Prolapse

Class

Description

1st degree

Extension to the mid-vagina

2nd degree

Approaching the hymenal ring

3rd degree

At the hymenal ring

4th degree

Beyond the hymenal ring

SOURCE: Data from American College of Obstetricians and Gynecologists. Pelvic Organ Prolapse. Washington, DC: American College of Obstetricians and Gynecologists. Technical Bulletin No. 214; 1995.