Pregnancy · California
Pregnancy studies in California
34 studies have at least one recruiting site in California. Pregnancy research studies care during and after pregnancy: preeclampsia, gestational diabetes, preterm birth, postpartum recovery and vaccines given in pregnancy.
34 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- 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 volunteersPhase 3
Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial
The George Washington University Biostatistics Center
- Location
- San Francisco, CA + 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
- San Francisco, CA + 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
- RecruitingHealthy volunteers
Neonatal Platelet Transfusion Threshold Trial
NICHD Neonatal Research Network
- Location
- Palo Alto, CA + 19 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
UCLA Perinatal Biospecimen Repository
Yalda Afshar, MD, PhD
- Location
- Los Angeles, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Anticoagulation Profile in Pregnant Women Treated With Three Times a Day of Low Molecular Weight Heparin (LMWH)
University of California, Irvine
- Location
- Orange, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Immediate Postpartum Glucose Tolerance Testing
MemorialCare Health System
- Location
- Long Beach, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Multi-Omics for Maternal Health After Preeclampsia
University of California, San Diego
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
POWERMOM, A Healthy Pregnancy Research Community
Scripps Translational Science Institute
- Location
- La Jolla, CA
- Eligibility basics
- Ages 16+ · Women only
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.