Dynamics of facial skin microbiota in female college students during menstruation: comparative analysis between regular and irregular menstrual cycles with identification of phase-specific microbiota.

BMC Womens Health · 2026 · PMC13393742 · PMID 42192555

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a decreasing trendno p-value reported

First, Sphingomonas exhibited a decreasing trend across the Regular-Interval, Regular-Menstrual, Irregular-Interval, and Irregular-Menstrual groups, with relative abundances of 42.80%, 38.95%, 35.65%, and 26.17%, respectively.

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