A preconception to late pregnancy community cohort study for reference values of serum thyrotropin and total thyroxine.

Front Endocrinol (Lausanne) · 2026 · PMC13441771 · PMID 42563989

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

The 97.5th percentile for TSH shows a decreasing trend from 4.7 μIU/mL pre-pregnancy to 3.6 μIU/mL in the first trimester, followed by an increase to 3.9 μIU/mL in the second trimester.

also in 47,180 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.