The difference in early trimester fetal growth between singletons after frozen embryo transfer and fresh embryo transfer.

ABSTRACT:

Background

Frozen embryo transfer resulted in a higher birthweight and an increased risk of macrosomia than fresh embryo transfer. However, the mechanism was still unclear. When the impact of frozen embryo transfer on fetal growth began was unknown. Crown-rump length at 11-13 weeks had been regarded as a good indicator of fetal growth in the first trimester and had been used for gestational age calculation in women with uncertain last menstrual periods.

Objective

To evaluate the association between frozen embryo transfer and early fetal growth, particularly the crown-rump length, then fresh embryo transfer. The secondary objective was to investigate the potential correlation between crown-rump length and birthweight.

Study design

This was a retrospective cohort study

SUBMITTER: Yang H 

PROVIDER: S-EPMC10998200 | biostudies-literature | 2024 May

REPOSITORIES: biostudies-literature