The effect on twinning rate of transferring double vitrified-warmed embryos in women of advanced reproductive age: a retrospective study

Twin pregnancies are associated with greater risk of neonatal morbidity and mortality than a singleton. This study was performed to investigate the twin pregnancy rate when two vitrified-warmed embryos are transferred in women of advanced reproductive age (≥35 years at the time of oocyte retrieval)...

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Bibliographic Details
Main Authors: Yamei Xue, Kun Li, Songying Zhang
Format: Article
Language:English
Published: PeerJ Inc. 2020-01-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/8308.pdf

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