せい行為 こうい感染 かんせん しょうではありませんでした
seikō ikan senshōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 性行為感染症

1. Was not a sexually transmitted infection.; Did not have a sexually transmitted infection.

Past/Perfective
Negative
Polite
Formal Register
Medicine