Micronized Vaginal Progesterone Dose and Serum Progesterone Thresholds Determine Reproductive Outcomes in Frozen-Thawed Embryo Transfer With Hormone Replacement Therapy.

Reprod Med Biol · 2026 · PMC13045485 · PMID 41937965

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A comparison among the P(90), P(300), and P(800) groups showed a trend toward higher implantation, clinical pregnancy, ongoing pregnancy, and live birth rates with increasing daily doses of P4, with a statistically significant difference observed between the P(90) and P(800) groups.

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