Advances in Sources, Content Determination, and Bioactivity of 20α-Hydroxyprogesterone.

Endocr Metab Immune Disord Drug Targets · 2026 · PMC13358779 · PMID 39950296

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an increasing trendno p-value reported

In humans, from the beginning of pregnancy to week 9, the concentration of P4 slightly increased first and then decreased, and then showed an increasing trend until week 39 and began to decline.

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