着床 ちゃくしょう ぜん死亡 しぼうではありませんでした
cha ku shōzenshibōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 着床前死亡

1. Was not implantation/conception.; Was not pre-implantation death.

Past/Perfective
Negative
Polite
Formal Register