Future fertility of patients with zero oocytes yield in their first IVF cycle attempt

Raoul Orvieto*, Jacob Farhi, Ravit Nahum, Shani Basch, Jigal Haas, Adva Aizer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose We aim to estimate the future fertility of patient undergoing their first IVF cycle attempt with no oocyte retrieved, and to identify factors that might predict those who will conceive in subsequent IVF cycle attempt. Methods A cohort retrospective study of all consecutive women attending our IVF unit, for their first IVF cycle attempt, between January 2013 to December 2019, who reached the ovum pickup (OPU) stage with zero oocyte retrieved. Patients’ characteristics and infertility-treatment-related variables in the first IVF cycle attempt were compared between those who conceived in a subsequent cycle and those who did not. Moreover, infertility-treatment-related variables during successful cycles resulting in pregnancy were compared to those without. Results 59 met the study inclusion criteria, yielding zero oocytes. During the follow-up period, 12 (20.3%) women conceived (one conceived twice), and 8 (14%) gave birth to a live infant. Cumulative live-birth rate per OPU and per patients were 4% and 14%, respectively. Clinical pregnancies were achieved after 3.61+1.4 cycle attempts (range: 1–6), with no live-births following the fifth IVF cycle attempt. No in-between group differences were observed in ovarian stimulation variables of their first IVF cycle attempt. Moreover, in those cycles resulting in pregnancy, patients achieved a significantly higher number of fertilized oocytes (2.15 +1.5 vs 0.94+1.5, respectively; p<0.01) and a higher mean top-quality embryos (TQE) (1.76 +0.9 vs 0.73+1.2, respectively; p<0.003). Conclusion Women yielding zero oocytes at their first IVF cycle attempt, may achieve 14% cumulative live-birth rate after 5 IVF cycle attempts. Moreover, those who conceived in subsequent IVF cycle attempts were those achieving 2 or more fertilized oocytes/TQE.

Original languageEnglish
Article numbere0246889
JournalPLoS ONE
Volume16
Issue number2 February
DOIs
StatePublished - Feb 2021

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