Flint T. Porter

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BACKGROUND Low plasma folate concentrations in pregnancy are associated with preterm birth. Here we show an association between preconceptional folate supplementation and the risk of spontaneous preterm birth. METHODS AND FINDINGS In a cohort of 34,480 low-risk singleton pregnancies enrolled in a study of aneuploidy risk, preconceptional folate(More)
OBJECTIVE The objective of the study was to examine the effect of selective fetoscopic laser photocoagulation (SFLP) vs serial amnioreduction (AR) on perinatal mortality in severe twin-twin transfusion syndrome (TTTS). STUDY DESIGN This was a 5 year multicenter, prospective, randomized controlled trial. The primary outcome variable was 30 day postnatal(More)
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