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なかったです
nyū yōji totsuzen shi shōkōgunjanakattadesu

Noun
Desu Copula

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

1. Wasn't SIDS.; Wasn't sudden infant death syndrome.

Past/Perfective
Negative
Polite
Casual Register
Medicine