Nerve supply to the perineum is -

Ans. is 'a' i.e., Pudendal nerve o Pudendal nerve arises from S2S3S4 and is a mixed nerve (motor + sensory).o It enters the gluteal region through greater sciatic notch and leaves it through lesser sciatic notch to enter pudendal canal.o Pudendal nerve is the chief nerve of perineum and external genitalia.