乳幼児にゅうようじ突然とつぜん症候しょうこうぐんじゃありませんでした
nyū yōji totsuzen shi shōkōgunjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 乳幼児突然死症候群

1. Was not SIDS.; Was not sudden infant death syndrome.

Past/Perfective
Negative
Polite
Terminal Form
Medicine