Baden-Walker system		Pelvic organ prolapse–quantification system
Grade	Description	Stage	Description
0	Normal position for each respective site, no prolapse	0	No prolapse
1	Descent halfway to the hymen	I	> 1 cm above the hymen
2	Descent to the hymen	II	≤ 1 cm proximal or distal to the plane of the hymen
3	Descent halfway past the hymen	III	> 1 cm below the plane of the hymen, but protrudes no farther than 2 cm less than the total vaginal length
4	Maximal possible descent for each site	IV	Eversion of the lower genital tract is complete