Cycles with elevated P/E2 ratios are associated with lower clinical pregnancy and live birth rates, which decrease further as the P/E2 ratio rises. P/E2 ratio improves the prediction of IVF outcome when compared to serum P levels alone.
The Journal of reproductive medicine
Department of Obstetrics and Gynecology, St. Luke's-Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, New York, NY 10019, USA. mdkeltz [at] aol.com
J Reprod Med. ;57(1-2):9-12
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