First-Trimester Cell-Free DNA Fetal Fraction and Birth Weight in Twin Pregnancies
Molly R. Siegel,
Kaitlyn James,
Bryann Bromley
et al.
Abstract:Objective The relationship between fetal fraction and birth weight in twin gestations is poorly understood. This study aimed to investigate the relationship between first-trimester cell-free DNA (cfDNA) fetal fraction and birth weight <10th percentile in twin gestations.
Study Design This is a planned secondary analysis of the Twin cfDNA Study, a 17-center retrospective cohort of twin pregnancies screened for aneuploidy using cfDNA in the first trimester from December 2011 to February 2022, excl… Show more
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