Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-Be (nuMoM2b)

UCI Specialty Area: Gynecology

Principal Investigator: Judith Chung

Official Title: Preterm Birth in Nulliparous Women: An Understudied Population at Great Risk

A Study On:

Pregnancy

Womens Health OBGYN

Study Description

The Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) established the Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-be (nuMoM2b) to study women for whom the current pregnancy will lead to their first delivery (nulliparas). About 40% of pregnant women in the United States are nulliparas. Because little or no information from previous pregnancy outcomes is available to guide assignment of risk or mitigating interventions, adverse pregnancy outcomes in nulliparas are especially unpredictable. The underlying mechanisms of adverse pregnancy outcomes such as preterm birth, preeclampsia, fetal growth restriction and stillbirth are interrelated and therefore will be evaluated as part of this study. The information gained will benefit women who are pregnant or who are considering pregnancy and their physicians. In addition, the knowledge will support future research aimed at improving care and health outcomes for a critical group of at-risk women who are currently understudied.

The study is a prospective cohort study of a racially/ethnically/geographically diverse population of 10,038 nulliparous women with singleton gestations. The women undergo intensive research assessments during the course of their pregnancies to study the mechanisms for and prediction of adverse pregnancy outcomes (APOs) in women in their first pregnancy. The APOs of primary interest are preterm birth, preeclampsia and fetal growth restriction.

The goals of the study are to 1) determine maternal characteristics, including genetics, epigenetics, and physiological response to pregnancy as well as environmental factors that influence and/or predict adverse pregnancy outcome; 2) identify specific aspects of placental development and function that lead to adverse pregnancy outcome; and 3) characterize genetic, growth, and developmental parameters of the fetus that are associated with adverse pregnancy outcome.

Eight academic medical centers or sites had primary responsibility for enrollment and follow-up of study participants. Several of these sites collected data through additional academic research centers or nearby hospitals (subsites). A Data Coordinating and Analysis Center (DCAC) provided input to the protocol, manages the data, and analyzes the data. Investigators from these institutions have established a partnership with NICHD staff to develop and implement the study protocol and ancillary studies that acquire and analyze data to identify biomarkers and understand the mechanism and prediction of preterm birth and other adverse pregnancy outcomes.

Eligibility

Nullipara - Pregnant women with no prior pregnancy lasting 20 weeks 0 days or greater.
Viable singleton gestation - a single living fetus with fetal cardiac activity at the most recent ultrasound before enrollment
Between 6 weeks 0 days and 13 weeks 6 days project estimated gestational age (EGA) at first study visit.
Intend to deliver at a participating hospital.

Participant age <13 years.
History of 3 or more spontaneous abortions.
Fetal malformation evident at or before enrollment that is likely lethal (e.g., anencephaly, hydrops, diffuse subcutaneous edema or cystic hygroma, ectopic cordis, encephalocele).
Known fetal aneuploidy (based on chorionic villus sampling).
Surrogate pregnancy (donor oocyte pregnancy).
Multifetal reduction.
Participating in an intervention study that is anticipated to influence maternal or fetal morbidities/mortality unless it is determined before enrollment that the study code will be made available.
Woman previously enrolled in this study, including those consented but delivered before 20 weeks 0 days gestation.
Planned pregnancy termination.
Unable to provide informed consent.

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University of California, Irvine - Study Information Sheet

UCI Center for Clinical Research Potential Participant Database

Lead Researcher
Maheswari Senthil, MD
UCI Center for Clinical Research

In the instance of parental permission, “You” refers to “Your child.”

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You are eligible to participate in this study if you may be interested in participating in a research trial at UCI Health

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Future Research Use
Researchers will use your information to conduct this study. Once the study is done using your information, we may share them with other researchers so they can use them for other studies in the future. We will not share your name or any other private identifiable information that would let the researchers know who you are. We will not ask you for additional permission to share this de-identified information

Data Retention - In accordance with UC Office of the President policy, information will be retained for 10 years after the end of the calendar year in which the research is completed.

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