The predictive value of fresh embryo transfer pregnancy results on frozen embryo transfer outcomes: a cohort study

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The study analyzed 6,491 women undergoing single blastocyst transfer to evaluate fresh embryo transfer outcomes on subsequent frozen embryo transfers.
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Women were categorized into four groups based on fresh transfer outcomes: non-pregnancy, biochemical pregnancy, miscarriage, and live birth.
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Patients in the non-pregnancy, biochemical pregnancy, and miscarriage groups had significantly lower chances of achieving subsequent pregnancies compared to the live birth group.
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No significant differences were found in miscarriage or ectopic pregnancy rates among the four groups, indicating similar risks.
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The findings suggest that fresh embryo transfer outcomes can predict subsequent frozen embryo transfer success, aiding in patient counseling.

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