Gynaecology & Obstetrics General obstetrics 00b3f0c1 The nerve root blocked in pudendal block is A L 1,2,3 B L 2,3 C S 2,3,4 D S 4 High-Yield Explanation Pudendal nerve block : Pudendal nerve arises from S2,3,4. Doesn't relieve the pain of labor Cause perineal analgesia and relaxation Ref: Dutta Obs 9e pg 480.