排はい卵らん

noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'

ovulation

Biological term for the release of an egg from the ovary. Used as a noun, with する for the process, and with の to modify nouns.

• 排はい卵らんは月げっ経けい周しゅう期きの一いち部ぶです。

  Ovulation is part of the menstrual cycle.

• 排はい卵らん日びを予よ測そくする方ほう法ほうはいくつかあります。

  There are several ways to predict the day of ovulation.