Study type
Pregnancy studies recruiting now
Pregnancy research studies care during and after pregnancy: preeclampsia, gestational diabetes, preterm birth, postpartum recovery and vaccines given in pregnancy.
226 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Evaluation of Stepping Stones
The Policy & Research Group
- Location
- New Orleans, LA
- Eligibility basics
- Ages 12–22
- RecruitingHealthy volunteers
Maternal Intake of Eggs and Infant Neurodevelopment
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
The Early and Late Contribution of Fasting and Postprandial Triglycerides on Newborn Subcutaneous and Intrahepatic Fat in Pregnancy
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–39
- RecruitingHealthy volunteers
Sleep Behaviors in Pregnancy
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
The Impact of COVID-19 on Maternal and Neonatal Outcomes
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 14–55 · Women only
- RecruitingHealthy volunteers
Growth Hormone Resistance of Beta-cells A
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Educational, Social Support, and Nutritional Interventions and Their Cumulative Effect on Pregnancy Outcomes and Quality of Life in Teen and Adult Women With Phenylketonuria
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 11+ · Women only
- RecruitingHealthy volunteersPhase 4
Allopregnanolone and Dynamic GABA-A Receptor Plasticity in Selective Serotonin Reuptake Inhibitor Responsive Premenstrual Dysphoric Disorder
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteersPhase 2
Probiotic Supplementation in Optimizing Iron and Hematological Status Among Pregnant Females
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Predictors of Pregnancy Outcome in Systemic Lupus Erythematosus (SLE) and Antiphospholipid Syndrome (APS)
Hospital for Special Surgery, New York
- Location
- New York, NY + 2 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Baby Steps to Care
University Hospitals Cleveland Medical Center
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
Pregnancy and Developmental Outcomes After Transfer of Reportedly Aneuploid or Mosaic Embryos
Stanford University
- Location
- Sunnyvale, CA
- Eligibility basics
- Ages 18–55 · Women only
- RecruitingHealthy volunteers
Tender Loving Care for Recurrent Pregnancy Loss
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–44 · Women only
- RecruitingHealthy volunteers
Digital Solutions to Reduce Maternal Morbidity and Mortality in Pregnant Refugee Women
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Enriched Holistic Care to Eradicate Disparities in Maternal Morbidity
University of Pennsylvania
- Location
- Phialdelphia, PA
- Eligibility basics
- Ages 16–55 · Women only
- RecruitingHealthy volunteers
Breathing Patterns in Infants Before and After Extubation
Christiana Care Health Services
- Location
- Newark, DE
- Eligibility basics
- Ages 0 mo–6 mo
- RecruitingHealthy volunteers
Nourishing Tomorrow: Role of Medically Tailored Groceries in Addressing Food Insecurity During Pregnancy
Case Western Reserve University
- Location
- Cleveland, OH + 1 other US site
- Eligibility basics
- Ages 18–55 · Women only
- RecruitingHealthy volunteers
Accountability for Care Through Undoing Racism & Equity for Moms
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 12–99 · Women only
- RecruitingHealthy volunteers
Leg Heating in Pregnant Women With Obesity
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Exercise Testing After Preeclampsia
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
PREnatal Choline and Infant Outcomes Study
East Carolina University
- Location
- Greenville, NC
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteersPhase 3
Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial
The George Washington University Biostatistics Center
- Location
- Birmingham, AL + 13 other US sites
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteersPhase 3
Aspirin Dose Escalation for the Prevention of Recurrent Preterm Delivery Trial
The George Washington University Biostatistics Center
- Location
- Birmingham, AL + 13 other US sites
- Eligibility basics
- Ages 14+ · Women only
- RecruitingHealthy volunteers
Genomic Sequencing in Anatomically Normal Fetuses
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–64
Who these studies look for
We only list a study here when pregnancy or the postpartum period is the subject of the official record. Participation is decided with the study team, and you should involve your own obstetric provider.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Is it safe to join a study while pregnant?
Studies that enroll pregnant participants have extra ethics review and monitoring, but every study has risks. Discuss any study with your obstetric provider before joining.