No advantage of single day 6 good-quality blastocyst transfer versus single day 5 poor-quality blastocyst transfer in frozen-thawed cycles stratified by age: a retrospective study.

BMC Pregnancy Childbirth · 2023 · PMC9885555 · PMID 36717810

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did not reach statistical significanceno p-value reported

Our results showed that the live birth rate of single poor-quality D5 blastocysts was higher than that of single high-quality D6 blastocysts, but the difference did not reach statistical significance for patients aged < 35 years (35.48% vs. 31.13%), and the same trend was observed for ≥ 35-year-old patients (29.09% vs. 21.28%).

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