Typically, human pregnancy is divided into three trimesters of approximately three months each.
Source: tatoeba (4282159)
Trimesters
Synonyms for "trimesters" (87 found)
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Sample sentences
2 total sentences available.
If adequate and well-controlled studies in pregnant women have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of a risk in later trimesters), the labeling shall state: "Studies in pregnant women have not shown that (name of drug) increases the risk of fetal abnormalities if administered during the first (second, third, or all) trimester(s) of pregnancy."
Source: tatoeba (11693363)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.