Maternal H-antigen secretor status is an early biomarker for potential preterm delivery

Jennifer Caldwell, Adam Matson, Maua Mosha, James I. Hagadorn, James Moore, Elizabeth Brownell

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Pre-pregnancy or first trimester biomarkers predicting preterm delivery are lacking. The purpose of this study was to determine whether maternal H-antigen (secretor status) is a potential biomarker for preterm delivery. Methods: This cohort study examined maternal saliva samples and birth data gathered by the National Children’s Study Vanguard pilot phase (2009–2014) and included 300 women who were ≥18 years old and provided birth data and saliva samples. The maternal secretor status phenotype was determined by quantifying H-antigen in saliva using enzyme-linked immunoassay. Mothers were stratified by secretor status and multivariable analysis estimated adjusted associations with preterm delivery. Results: Maternal lack of H-antigen production was an independent risk factor for preterm delivery after adjusting for known confounders (aOR 4.53; 95% CI: 1.74, 11.81; P = 0.002). Conclusions: Maternal H-antigen may be a biomarker identifying women at-risk for preterm delivery. Prospective cohort studies validating these findings are needed.

Original languageEnglish (US)
JournalJournal of Perinatology
DOIs
StateAccepted/In press - 2020

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

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