Neonatal outcomes in singleton pregnancies conceived by fresh or frozen embryo transfer compared to spontaneous conceptions: a systematic review and meta-analysis.

Flavia Tavares Silva EliasDanielle Weber-AdrianJessica PudwellJillian CarterMark WalkerLaura GaudetGraeme SmithMaria P Velez

Published in: Archives of gynecology and obstetrics (2020)

When compared with spontaneous pregnancies, fresh, but not frozen was associated with LBW and SGA. Both fresh and frozen were associated with PTB. Frozen was uniquely associated with LGA. Despite improvements in ART protocols in relation to pregnancy rates, attention is needed towards monitoring adverse neonatal outcomes in these pregnancies.

Keyphrases

preterm birth
gestational age
pregnancy outcomes
birth weight
working memory
hiv infected
adipose tissue
body mass index
weight loss
insulin resistance