Associations between inactivated COVID-19 vaccination status and timing and fertility and pregnancy outcomes following frozen-thawed embryo transfer: a prospective cohort study.

Front Endocrinol (Lausanne) · 2025 · PMC12240746 · PMID 40642511

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did not reach statistical significanceno p-value reported

The effect size was similar but did not reach statistical significance in women vaccinated after ovarian stimulation and before FET (clinical pregnancy: adjusted RR: 0.92, 95% CI: 0.79, 1.07; live birth: adjusted RR: 0.93, 95% CI: 0.78, 1.12).

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