noun
final month of pregnancy; month when childbirth is due
Refers to the last month before the expected delivery date. Often used in contexts of preparation or anticipation. Synonymous with 臨月 (りんげつ).
See also: 臨月
彼女は産み月に入って、入院の準備を始めた。
She entered her final month of pregnancy and started preparing for hospitalization.
産み月になると、いつ陣痛が来て
Once you're in the month when childbirth is due, labor could start at any time.