Preconceptional Maternal Bile Acids and Birth Weight of Neonates

Aafke P A van Montfoort1,2, Ruxandra A Nagy1,3, Jannie van Echten-Arends1

  • 1Department of Obstetrics and Gynecology, Section Reproductive Medicine University of Groningen, University Medical Center Groningen Groningen the Netherlands.

Insights

Maternal bile acid profiles before conception are linked to infant birth weight. Understanding these associations can inform strategies for healthy fetal development and birth outcomes.

Area of Science:

  • Reproductive biology
  • Metabolic health
  • Perinatal medicine

Background:

  • Bile acids play crucial roles in metabolism and signaling.
  • Maternal metabolic status significantly impacts pregnancy outcomes.
  • Limited research exists on preconceptional bile acid profiles and offspring birth weight.

Purpose of the Study:

  • To investigate the association between maternal preconceptional bile acid species and offspring birth weight.
  • To identify specific bile acid profiles predictive of birth weight variations.

Main Methods:

  • Analysis of maternal serum samples collected before conception.
  • Quantification of various bile acid species using mass spectrometry.
  • Statistical analysis to determine correlations between bile acid levels and infant birth weight.

Main Results:

  • Significant associations were observed between specific maternal bile acid species and infant birth weight.
  • Certain bile acid profiles were positively or negatively correlated with birth weight.
  • The findings highlight the role of maternal bile acid metabolism in fetal growth.

Conclusions:

  • Preconceptional maternal bile acid composition is a significant determinant of offspring birth weight.
  • Targeting bile acid metabolism may offer novel approaches for optimizing fetal growth and birth weight.

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