Does the sex ratio of singleton births after frozen single blastocyst transfer differ in relation to blastocyst development?

CONCLUSIONS: A single high-quality blastocyst FET has a higher chance of resulting in a male infant than a female infant. The results demonstrate that grade B trophectoderm confers benefits in improving the implantation potential of male blastocysts.
PMID: 32669110 [PubMed - in process]

Source: Reproductive Biology - July 14, 2020 Category: Reproduction Medicine Authors: Lou H, Li N, Zhang X, Sun L, Wang X, Hao D, Cui S Tags: Reprod Biol Endocrinol Source Type: research