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Metabolic profiles of meconium in preeclamptic and normotensive pregnancies.
Metabolomics
January 2025
Center for Child, Adolescent and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
Introduction: Preeclampsia (PE) is a common vascular pregnancy disorder affecting maternal and fetal metabolism with severe immediate and long-term consequences in mothers and infants. During pregnancy, metabolites in the maternal circulation pass through the placenta to the fetus. Meconium, a first stool of the neonate, offers a view to maternal and fetoplacental unit metabolism and could add to knowledge on the effects of PE on the fetus and newborn.
View Article and Find Full Text PDFCumulative effects of extreme ambient temperatures on placental perfusion and function markers in early pregnancy: analysis from a birth cohort study.
Environ Res
January 2025
School of Public Health, Nanjing Medical University, Nanjing, China; Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China. Electronic address:
Background: Exposure to suboptimal temperatures during pregnancy has been associated with adverse pregnancy and birth outcomes related to placental development disorders. No prior studies have examined the potential impacts of temperature on placental markers. We conducted an investigation into the cumulative impact of daily ambient temperature on critical clinical placental perfusion and function markers during the placentation period, utilizing data from a prospective birth cohort in Nanjing, China.
View Article and Find Full Text PDFPlacental PFAS concentrations are associated with perturbations of placental DNA methylation.
Environ Pollut
January 2025
Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR; Arkansas Children's Nutrition Center, Little Rock, AR.
The placenta is crucial for fetal development, is affected by PFAS toxicity, and evidence is accumulating that gestational PFAS perturb the epigenetic activity of the placenta. Gestational PFAS exposure can adversely affect offspring, yet individual and cumulative impacts of PFAS on the placental epigenome remain underexplored. Here, we conducted an epigenome-wide association study (EWAS) to examine the relationships between placental PFAS levels and DNA methylation in a cohort of mother-infant dyads in Arkansas (N=151).
View Article and Find Full Text PDFCharacterization of senescence-associated transcripts in the human placenta.
Placenta
January 2025
Magee-Women's Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213, USA; Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213, USA. Electronic address:
Introduction: Fusion of mononucleated cytotrophoblasts into syncytium leads to trophoblast senescence. Yet, premature senescence is associated with preeclampsia, fetal growth restriction (FGR), and related obstetrical syndromes. A set of 28 transcripts that comprise senescence-associated secretory phenotype (SASP) was recently described in placentas from women with preeclampsia.
View Article and Find Full Text PDFAdditional value of fetal magnetic resonance imaging for prenatal diagnosis: A retrospective study.
Eur J Obstet Gynecol Reprod Biol
January 2025
Obstetrics and Fetal Medicine Unit, CHRU of Nancy, Nancy, France; Department of Fetopathology and Placental Pathology, CHRU of Nancy, Nancy, France; Inserm, Diagnostic and Interventional Adaptive Imaging, University of Lorraine, Nancy, France. Electronic address:
Objective: This study aimed to evaluate the utility of fetal MRI in prenatal diagnosis.
Methods: A retrospective study was conducted, including all pregnant women who underwent fetal MRI at a single French university center from 2018 to 2022. Fetal MRI findings were deemed "concordant" if they matched the ultrasound diagnosis.
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