noun
episiotomy; perineotomy
Medical term for a surgical incision of the perineum, typically performed during childbirth to enlarge the vaginal opening.
出産時に会陰切開を行うことがあります。
An episiotomy may be performed during childbirth.
Compound of 会陰 (perineum) and 切開 (incision). The exact historical derivation is uncertain; the spelling is conventionally associated with the medical procedure.