A description of the methods of the Nulliparous Pregnancy Outcomes Study: Monitoring mothers-to-be (nuMoM2b)

David M. Haas*, Corette B. Parker, Deborah A. Wing, Samuel Parry, William A. Grobman, Brian M. Mercer, Hyagriv N. Simhan, Matthew K. Hoffman, Robert M. Silver, Pathik Wadhwa, Jay D. Iams, Matthew A. Koch, Steve N. Caritis, Ronald J. Wapner, M. Sean Esplin, Michal A. Elovitz, Tatiana Foroud, Alan M. Peaceman, George R. Saade, Marian WillingerUma M. Reddy

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

177 Scopus citations

Abstract

Objective The primary aim of the "Nulliparous Pregnancy Outcomes Study: monitoring mothers-to-be" is to determine maternal characteristics, which include genetic, physiologic response to pregnancy, and environmental factors that predict adverse pregnancy outcomes. Study Design Nulliparous women in the first trimester of pregnancy were recruited into an observational cohort study. Participants were seen at 3 study visits during pregnancy and again at delivery. We collected data from in-clinic interviews, take-home surveys, clinical measurements, ultrasound studies, and chart abstractions. Maternal biospecimens (serum, plasma, urine, cervicovaginal fluid) at antepartum study visits and delivery specimens (placenta, umbilical cord, cord blood) were collected, processed, and stored. The primary outcome of the study was defined as pregnancy ending at <37+0 weeks' gestation. Key study hypotheses involve adverse pregnancy outcomes of spontaneous preterm birth, preeclampsia, and fetal growth restriction. Results We recruited 10,037 women to the study. Basic characteristics of the cohort at screening are reported. Conclusion The "Nulliparous Pregnancy Outcomes Study: monitoring mothers-to-be" cohort study methods and procedures can help investigators when they plan future projects.

Original languageEnglish (US)
Pages (from-to)539.e1-539.e24
JournalAmerican journal of obstetrics and gynecology
Volume212
Issue number4
DOIs
StatePublished - Apr 1 2015

Funding

Supported by grant funding from the Eunice Kennedy Shriver National Institute of Child Health and Human Development : U10 HD063036 , RTI International ; U10 HD063072 , Case Western Reserve University ; U10 HD063047 , Columbia University ; U10 HD063037 , Indiana University ; U10 HD063041 , University of Pittsburgh ; U10 HD063020 , Northwestern University ; U10 HD063046 , University of California Irvine ; U10 HD063048 , University of Pennsylvania ; and U10 HD063053 , University of Utah . In addition, support was provided by respective Clinical and Translational Science Institutes to Indiana University (UL1TR001108) and University of California Irvine (UL1TR000153).

Keywords

  • adverse pregnancy outcome
  • cohort study
  • methods
  • nulliparous
  • prediction
  • pregnancy
  • psychosocial

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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