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Pregnancy: full-pipeline trial registry
77 of 194 indexed Pregnancy trials are currently recruiting.
Corpus placement: #54 of 28,707 conditions by registered trial count.
194 US clinical trials · 77 currently recruiting · #54 of 28,707 conditions by registered trial count
Pregnancy: 194 US clinical trials tracked, 77 recruiting.
Pregnancy is the subject of 194 registered US clinical trials on ClinicalTrials.gov, 77 of them currently open to new participants. 11 are in Phase 3-4 (later-stage) and 12 in Phase 1-2 (earlier-stage). The most active sponsor is Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), running 8 of these trials.
Enrollment posture brief
Registry condition pregnancy
OPEN 77 | RECR 40% | LATE 11 | EARLY 12 | RANK #54 | SPON 8
Volume-matched condition peers
Nearest open-share peer: Type 1 Diabetes (40% recruiting · 199 trials)
Pregnancy lists 77 open slots (40% of 194 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Pregnancy on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Pregnancy is recruiting above its size-band peers.
77 of 194 indexed trials (39.7%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Pregnancy trials is spread across many organizations.
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) accounts for 8 of 194 trials (4.1%). 137 distinct sponsors appear on at least one study for this condition label.
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Typical Pregnancy enrolment sits around 150 participants.
Median target enrolment is 150 among the 192 trials that report a genuine target (sentinel values excluded). 72 of those (37.5%) plan for fewer than 100 participants.
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Pregnancy splits between interventional and observational designs.
115 interventional and 79 observational studies make up this index (59.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
194 total, page 3 of 4
Clinical, Biochemical, Histological and Biophysical Parameters in the Prediction of Cerebral Palsy in Patients With Preterm Labor and Premature Rupture of Membranes
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT00342667
Labor Induction With Oral Versus Vaginal Misoprostol
University of Texas Southwestern Medical Center
NCT04755218
Noninvasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker
Sequenom
NCT00971334
Parents Matter!: Interventions to Promote Effective Parent-Child Communication
Centers for Disease Control and Prevention
NCT00137943
Fetal Growth Evaluation by Three-Dimensional Ultrasound
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT00340171
A Phase III Randomized, Double-Blind, Controlled Study of the Use of Anti-HIV Immune Serum Globulin (HIVIG) for the Prevention of Maternal-Fetal HIV Transmission in Pregnant Women and Newborns Receiving Zidovudine (AZT)
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT00000751
Happy Mommy! Happy Baby! Study
University of Pennsylvania
NCT01700374
The Safety and Effectiveness of Zidovudine in HIV-Infected Pregnant Women and Their Infants
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000960
Feasibility of Medical Abortion by Direct-to-Consumer Telemedicine
Gynuity Health Projects
NCT02513043
Louisville Teen Pregnancy Prevention Project
University of Louisville
NCT01411878
Effectiveness of Integrating Prenatal Care in Reducing HIV/STDs Among Young Pregnant Women
Yale University
NCT00628771
Development of Standards for the New Ballard Maturation Score
NICHD Neonatal Research Network
NCT01203449
Evaluation of Respecting the Circle of Life on Pregnancy Prevention Outcomes Among American Indian Adolescents
Johns Hopkins Bloomberg School of Public Health
NCT02904629
Clinical Evaluation of the ARIES Group B Streptococcus (GBS) Assay
Luminex Corporation
NCT02497430
The Effect of Fetal Gender on Maternal Substance Abuse Treatment
Johns Hopkins University
NCT00882648
Increasing Use of Publicly Reported Pediatric Quality Data
Baystate Medical Center
NCT01784575
Cervical Volume by Three-Dimensional Ultrasound as a Predictor of Preterm Delivery
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT00342550
Study of Having a Female Friend as Labor Support
Saint Peters University Hospital
NCT00127361
Evaluation of the Effectiveness of the Teen Options to Prevent Pregnancy (T.O.P.P.) Program
Mathematica Policy Research
NCT01456793
Internet-Based Sexual Health Education for Middle School Native American Youth
The University of Texas Health Science Center, Houston
NCT01303575
Maternal Outcomes and Neurodevelopmental Effects of Antiepileptic Drugs (MONEAD)
Stanford University
NCT01730170
Vulnerability of the Fetus/Infant to PAH, PM2.5 AND ETS.
National Institute of Environmental Health Sciences (NIEHS)
NCT00044603
PLAC1 in Reproduction
University of South Florida
NCT01277848
Pregnancy Eating Attributes Study
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT02217462
Pilot Randomized Controlled Trial (RCT): Remote SBIRT Vs. In-Person SBIRT
Medical University of South Carolina
NCT04630249
Feasibility of Telemedicine Medical Abortion
Gynuity Health Projects
NCT04599725
Osteopathic Manipulative Medicine in Pregnancy: Physiologic and Clinical Effects
University of North Texas Health Science Center
NCT00426244
Pregnancy Exposure Registry for Tysabri®
Biogen
NCT00472992
Safety and Effectiveness of Taking Choline Supplements During Pregnancy for Improving Infant Brain Development
University of Colorado, Denver
NCT00332124
Skin-to Skin Contact on Newborn Temperature
Rachel Baker
NCT02143193
Fetal Programming of Obesity
Arkansas Children's Hospital Research Institute
NCT01131117
Self-Retaining Retractor in Obese Patients Undergoing Cesarean Section
St. Louis University
NCT01826604
Induction With Misoprostol: Oral Mucosa Versus Vaginal Epithelium (IMPROVE)
Indiana University
NCT02408315
TIPPS: Thrombophilia in Pregnancy Prophylaxis Study
Ottawa Hospital Research Institute
NCT00967382
Immune Responses to the Flu Shot During Pregnancy
Lisa Christian
NCT02148874
Evaluating the Effects of Supplemental Vitamin C on Infant Lung Function in Pregnant Smoking Women
Oregon Health and Science University
NCT00632476
Maternal-Offspring Metabolics:Family Intervention Trial
Northwestern University
NCT01631747
The MOMENTUM Study (Monitoring Maternal Emergency Navigation and Triage on Mfangano
University of Minnesota
NCT03942536
Use of Peanut Labor Ball Following Epidural Anesthesia
TriHealth
NCT02190591
Clearblue Pregnancy Test - Lay User Study
SPD Development Company Limited
NCT04043169
Mobius® Post-cesarean Pain Randomized Control Trial
Abbey Hardy-Fairbanks
NCT00685932
A Comparison of Manual vs. Spontaneous Removal of the Placenta at Cesarean Section
University of Rochester
NCT00375986
The Cymbalta Pregnancy Registry
Eli Lilly and Company
NCT01074151
Healthy Motivations for Moms-to-be Study
University of South Carolina
NCT03063528
Incentives Targeting Gestational Weight Gain in Overweight/Obese Low Income Women
University of Vermont
NCT02233673
Oral Contraceptive Pills Compared to Vaginal Rings
University of California, San Francisco
NCT00357526
Identify Clinical Conditions That Increase Circulating DNA Levels
University of Florida
NCT01815996
Phone-Based Postpartum Continuing Care for Smoking Cessation
Battelle Memorial Institute
NCT01684592
Holistic Assessment of Tulsa Children's Health
University of Oklahoma
NCT04158089
A Study of HIV Levels During Pregnancy and After Childbirth
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00041964
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 8 |
| Phase 2 | 4 |
| Phase 3 | 9 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Pregnancy records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Pregnancy trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Pregnancy page
194 registered trials, 77 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 77 Pregnancy trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) sponsors the most Pregnancy trials on record, review their full trial history before evaluating a specific study. See Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)'s trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Pregnancy condition card totals 194 registered trials; most-linked intervention Zidovudine; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.