epi·si·ot·o·my /ɪˌpɪziˈɑtəmi, ˌpi-/ 外陰切開術
epi·si·ot·o·my /ɪˌpɪzɪˈɑtəmɪ, ˌpɪz-/ 名詞
episiotomy n : surgical incision of the perineum to enlarge the vagina and so facilitate delivery during childbirth