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 volunteersPhase 1/Phase 2
Hyperemesis Gravidarum Risk Reduction With Metformin
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–49 · Women only
- RecruitingHealthy volunteers
Scaling Effective Behavioral Interventions With MPC Avatar-Based Virtual Training
dfusion Inc
- Location
- Scotts Valley, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
Pfizer
- Location
- Los Angeles, CA + 76 other US sites
- Eligibility basics
- Ages 0 mo+
- RecruitingHealthy volunteers
A Study to Assess Deucravacitinib Safety in Pregnancy
Bristol-Myers Squibb
- Location
- La Jolla, CA
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteersPhase 3
BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies
Pfizer
- Location
- Lancaster, CA + 111 other US sites
- Eligibility basics
- Ages 0 mo–49
- RecruitingHealthy volunteers
This Study Evaluates the ALPCO Syphilis-T and Syphilis-NT CLIA Kits for Detecting Syphilis Antibodies in Serum and Plasma. Samples From At-risk, HIV-positive, Pregnant, and Healthy Individuals Will Assess Assay…
American Laboratory Products Company
- Location
- Lancaster, CA + 5 other US sites
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Paired Non-inferiority Study Comparing Overture Semi-automated Vitrification System ("DaVitri") to Standard Manual Process for Clinical Pregnancy Outcomes
Overture Life
- Location
- Novato, CA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Prospective Study on Power Prenatal Vitamins for Males on YO Score At-home Sperm Test Results
The Bird and Be Co Inc
- Location
- Encino, CA
- Eligibility basics
- Ages 18–50 · Men only
- RecruitingHealthy volunteers
Kesimpta (Ofatumumab) Pregnancy Registry
Novartis Pharmaceuticals
- Location
- La Jolla, CA
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Post-Authorization Safety Study for Assessment of Pregnancy Outcomes in Patients Treated With Mayzent
Novartis Pharmaceuticals
- Location
- La Jolla, CA
- Eligibility basics
- Any age listed · Women only
- RecruitingPhase 3
Safety and Efficacy of APC-0101 in Preterm Infants With Respiratory Distress Syndrome
Aerogen Pharma Limited
- Location
- La Jolla, CA + 17 other US sites
- Eligibility basics
- Any age listed
- RecruitingPhase 2
A Study to Evaluate the Efficacy and Safety of SPT-300 (GlyphAllo) in Participants With Major Depressive Disorder, With or Without Anxious Distress (BUOY-1 Study)
Seaport Therapeutics
- Location
- Chino, CA + 26 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
Trial Investigating the Efficacy and Safety of Weekly Lonapegsomatropin Compared to Daily Somatropin in Children and Adolescents With Short Stature or Growth Failure Due to Growth Hormone Sufficient Disorders
Ascendis Pharma A/S
- Location
- Palo Alto, CA + 21 other US sites
- Eligibility basics
- Ages 2–17
- RecruitingPhase 3
A Study of Nipocalimab in Pregnancies at Risk for Severe Hemolytic Disease of the Fetus and Newborn (HDFN)
Janssen Research & Development, LLC
- Location
- La Jolla, CA + 19 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 3
A Study of Nipocalimab or Intravenous Immunoglobulin (IVIG) in Pregnancies At Risk of Fetal and Neonatal Alloimmune Thrombocytopenia (FNAIT)
Janssen Research & Development, LLC
- Location
- Sacramento, CA + 11 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 3
Brexanolone Lifting Outcomes Of Moms
Lipocine Inc.
- Location
- Canoga Park, CA + 15 other US sites
- Eligibility basics
- Ages 15–45 · Women only
- RecruitingPhase 3
InfasurfAero™ Versus Sham Treatment in Preterm Newborns With RDS
ONY
- Location
- San Diego, CA + 9 other US sites
- Eligibility basics
- Ages 7 mo–8 mo
- RecruitingHealthy volunteers
Supporting Just-In-Time Consent for Prenatal Screening: The INFORM Study
Case Western Reserve University
- Location
- San Francisco, CA + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 2/Phase 3
Milk Volume Outcomes Following Oral Nicotinamide Riboside Supplementation in Mothers of Extremely Preterm Infants
University of California, Davis
- Location
- Sacramento, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Pregnancy and Postpartum Breastfeeding Support for Patients With Gestational Diabetes
University of California, Davis
- Location
- Sacramento, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Trauma-Informed Care for Smoking Cessation for Pregnancy
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Pregnancy Registry, Infants, Serum/Milk Analysis (PRISMA)
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–64 · Women only
- RecruitingHealthy volunteers
Impact of Lactation Antenatal Teaching by Clinicians and Healthcare Providers
Loma Linda University
- Location
- Loma Linda, CA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- San Francisco, CA + 32 other US sites
- Eligibility basics
- Ages 15–55 · 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.