Predictive value of the number of frozen blastocysts in live birth rates of the transferred fresh embryos

• Main Authors: Jianyuan Song (Author), Cuicui Duan (Author), Wangyu Cai (Author), Jian Xu (Author)
• Format: Bog
• Udgivet: BMC, 2021-06-01T00:00:00Z.
• Fag: article
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Abstract Background Blastocyst development by extended culture in vitro allows the embryos to 'select' themselves, thus successful growth to the blastocyst stage is a reflection of the developmental competence of cleavage stage embryos in a cohort. The study aims to determine whether the n...