trimester
US /traɪˈmes.tɚ/
UK /traɪˈmes.tɚ/

名詞
1.
三半期, 3ヶ月期間
a period of three months, especially as a division of the duration of pregnancy
例:
•
She is in her second trimester of pregnancy.
彼女は妊娠の第2三半期にいます。
•
The first trimester is often the most challenging due to morning sickness.
つわりがあるため、最初の三半期が最も困難なことが多い。
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