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dc.contributor.authorDobson, Samuel
dc.identifier.citationFertil Steril. 2018 Sep;110(4):655-660. doi: 10.1016/j.fertnstert.2018.05.010.en
dc.descriptionAuthor(s) Pre or Post-Print Version Onlyen
dc.description.abstractOBJECTIVE: To evaluate the impact of a poor quality embryo (PQE) during double E (DET) with a top quality embryo (TQE) on IVF outcome. DESIGN: A review of prospectively collected data. SETTING: Tertiary level fertility clinic. PATIENT(S): All patients undergoing blastocyst transfers as part of fresh IVF (n = 939) and frozen ET (n = 1,009) cycles performed between 2010 and 2016. INTERVENTION(S): Single ET (SET) with TQE (group 1) was set as control and compared with outcomes for SET with PQE (group 2), DET with 2 TQEs (group 3), PQE plus TQE (group 4), and 2 PQE (group 5). MAIN OUTCOME MEASURE(S): Live births and multiple births. RESULT(S): The live birth rates for group 4 were statistically similar to group 1 during fresh IVF (26.5% vs. 33.7%; odds ratio [OR], 0.95; 95% confidence interval [CI] 0.53-1.7) and frozen ET (24.2% vs. 32.7%; OR, 0.75; 95% CI 0.48-1.2), although there was a trend for lower success. Conversely, multiple births were higher in group 4 for fresh IVF (19% vs. 4.7%; OR, 2.9; 95% CI 1.3-6.6) and frozen ET (10.3% vs. 2.6%; OR, 2.4; 95% CI 1.2-4.9). The live birth rates for group 2 (12.2% for fresh IVF and 14.6% for frozen ET) and group 5 (21.2% for fresh IVF and 14% for frozen ET) were lower and for group 3 were higher (40.8% for fresh IVF and 40.3% for frozen ET) when compared with group 1. Multiple births were significantly higher with DET. CONCLUSION(S): This study does not support DET with one PQE along with a TQE, when there is only one TQE and one or more PQEs available for fresh IVF or frozen ET.en
dc.subjectIn Vitro Fertilizationen
dc.subjectDouble Embryo Transferen
dc.subjectMultiple Pregnancyen
dc.subjectSingle Embryo Transferen
dc.titleEffect of transfer of a poor quality embryo along with a top quality embryo on the outcome during fresh and frozen in vitro fertilization cycles.en

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