前駆 ぜんぐ陣痛 じんつうでしょう
zen gujintsūdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 前駆陣痛

1. Probably labor pains.; Possibly Braxton Hicks contractions.

Polite
Presumptive
Conjecture