Impact of pregravid obesity on maternal and fetal immunity: Fertile grounds for reprogramming

Suhas Sureshchandra, Nicole E. Marshall, Ilhem Messaoudi

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations


Maternal pregravid obesity results in several adverse health outcomes during pregnancy, including increased risk of gestational diabetes, preeclampsia, placental abruption, and complications at delivery. Additionally, pregravid obesity and in utero exposure to high fat diet have been shown to have detrimental effects on fetal programming, predisposing the offspring to adverse cardiometabolic, endocrine, and neurodevelopmental outcomes. More recently, a deeper appreciation for the modulation of offspring immunity and infectious disease-related outcomes by maternal pregravid obesity has emerged. This review will describe currently available animal models for studying the impact of maternal pregravid obesity on fetal immunity and review the data from clinical and animal model studies. We also examine the burden of pregravid obesity on the maternal–fetal interface and the link between placental and systemic inflammation. Finally, we discuss future studies needed to identify key mechanistic underpinnings that link maternal inflammatory changes and fetal cellular reprogramming events.

Original languageEnglish (US)
Pages (from-to)1035-1050
Number of pages16
JournalJournal of Leukocyte Biology
Issue number5
StatePublished - Nov 1 2019


  • obesity
  • placenta
  • pregnancy

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Cell Biology


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