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In vitro fertilization (IVF) databases often cite pregnancies per cycle as an indicator of clinical success. However, this marker might not help patients evaluate the potential for a live birth across multiple cycles. In a retrospective cohort study that involved 6164 patients who underwent their first fresh-embryo IVF cycles at a single practice (>14,000 IVF cycles), investigators evaluated an alternative assessment that could provide IVF patients with a more useful measure of their chances for pregnancy. The primary outcome was the delivery of ≥1 live infants in ≤6 cycles. An “optimistic” live-birth rate was calculated based on the assumption that patients who did not return for subsequent IVF cycles had the same probability of pregnancie…