<prompt> Pudendal nerve blockS1-3S2-4S3-5S4,5  <response>: Pudendal Nerve BlockIt is a peripheral nerve block that provides local anesthesia over S2-4 dermatomes majority of perineum and inferior quaer of vaginaIt does not block the superior bih canal so the mother is able to feel the uterine contractionsRefer: Morgan and Mikhails Clinical Anaesthesiology, 5th edition, pg no.847 