baricitinib · Medicine question

What effects on female fertility and male spermatogenesis have animal studies suggested for baricitinib?

Name: What effects on female fertility and male spermatogenesis have animal studies suggested for baricitinib?
Published: 2026-11-08T13:40:53.251Z

iatroX medicinesPublished 8 November 2026

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Animal studies suggest that baricitinib has the potential to decrease female fertility while on treatment, but showed no effect on male spermatogenesis.

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Baricitinib LillyEli Lilly and Company Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 7Document updated 28 October 2026

Sources checked 8 November 2026

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