月げっ経けい前まえ

noun which may take the genitive case particle 'no'

premenstrual

Medical and everyday term for the period before menstruation. Often used in compounds like 月経前症候群 (premenstrual syndrome).

• 月げっ経けい前まえの症しょう状じょうには個こ人じん差さがあります。

  Premenstrual symptoms vary from person to person.

• 月げっ経けい前まえ症しょう候こう群ぐんはPMSとも呼よばれます。

  Premenstrual syndrome is also called PMS.