first trimester of pregnancy (Q70681149)
beginning third of a human pregnancy, from the first day of the last normal menstrual period through the completion of 98 days of gestation
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aliases Pregnancy Trimester, First
First Pregnancy Trimester
1st trimester
trimester 1
description beginning third of a human pregnancy, from the first day of the last normal menstrual period through the completion of 98 days of gestation

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