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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Spontaneous Abortions Clear all
Completed No phase listed Observational Accepts healthy volunteers Results available

The Use of Cell Free Fetal DNA in the Maternal Blood in the Evaluation of Intrauterine Fetal Demise and Miscarriage

NCT01916928
View directory record Official record
Conditions
Circulating Cell Free Fetal DNA, Intrauterine Fetal Demise, Miscarriage
Interventions
Not listed
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 12, 2017 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Phase 2 Interventional Results available

Ulipristal Acetate for Use in Early Pregnancy Loss

NCT05216952
View directory record Official record
Conditions
Missed Abortion, Anembryonic Pregnancy, Non-Viable Pregnancy
Interventions
Ulipristal Acetate Tablets, Misoprostol Pill
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
4
States / cities
Chapel Hill, North Carolina • Hillsborough, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Jul 21, 2026, 4:26 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Effect of Influenza Vaccination on Donor Egg Recipient Outcomes

NCT02946177
View directory record Official record
Conditions
Infertility, Recurrent Miscarriage
Interventions
Influenza Vaccine, Sterile Saline
Biological · Other
Lead sponsor
Center for Human Reproduction
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Jul 21, 2026, 4:26 PM EDT
Recruiting Not applicable Interventional

Optimal Timing of Routine Cervical Length Measurements During Anatomy Survey

NCT06822647
View directory record Official record
Conditions
Cervical Insufficiency, Preterm Birth, Cervical Length Measurement
Interventions
Cervical Length Measurement at the Beginning of the Anatomy Survey, Cervical Length Measurement at the End of the Anatomy Survey
Procedure
Lead sponsor
Henry Ford Health System
Other
Eligibility
Female only
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Phase 4 Interventional Results available

Simultaneous Mifepristone and Misoprostol Versus Misoprostol Alone for Induction of Labor of Nonviable Second Trimester Pregnancy: a Pilot Randomized Controlled Trial

NCT05322252
View directory record Official record
Conditions
Abortion, Second Trimester, PPROM, Rupture, Spontaneous, Fetal Demise, Fetal Death, Fetal Demise From Miscarriage, Fetal Death Before 22 Weeks With Retention of Dead Fetus, Pregnancy Loss, Pregnancy Complications
Interventions
Mifepristone, Misoprostol
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jul 21, 2026, 4:26 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Preventing Preterm Birth With a Pessary

NCT01380158
View directory record Official record
Conditions
Preterm Birth
Interventions
Cup pessary (Bioteque America, Inc)
Device
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Jul 21, 2026, 4:26 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Efficacy Study of Preconception Treatment of an Asymptomatic Bacterial Infection in an Infertility Population

NCT01322971
View directory record Official record
Conditions
Vaginosis, Bacterial, Infertility, Miscarriage
Interventions
Metronidazole, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2021 · Synced Jul 21, 2026, 4:26 PM EDT
Not yet recruiting Phase 4 Interventional

Azithromycin for Cerclage Prophylaxis

NCT07608562
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Azithromycin Prophylaxis, Azithromycin Placebo, Cefazolin
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Oak Lawn, Illinois • Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 21, 2026, 4:26 PM EDT
Completed No phase listed Observational

International NaProTechnology Evaluation and Surveillance of Treatment for Infertility and Miscarriage (iNEST)

NCT01363596
View directory record Official record
Conditions
Infertility, Miscarriage
Interventions
Creighton Model System in conjunction with Natural Procreative Technology (NPT)
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 50 Years
Enrollment
834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2020
U.S. locations
5
States / cities
Baton Rouge, Louisiana • Gardner, Massachusetts • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Jul 21, 2026, 4:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Amniotic Fluid Sludge in Cerclage Patients as an Indicator for Increased Risk of Preterm Delivery and Neonatal Outcome.

NCT00722085
View directory record Official record
Conditions
High Risk Pregnancy, Incompetent Cervix, Cerclage, Amniotic Fluid Sludge, Gestation Age at Delivery.
Interventions
Not listed
Lead sponsor
Center For Maternal Fetal Medicine
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 24, 2008 · Synced Jul 21, 2026, 4:26 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Patient Attitudes Toward Ultrasound Measurement of Cervical Length

NCT01482039
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Sequential ultrasound, Transvaginal ultrasound
Procedure
Lead sponsor
Intermountain Women and Children's Research
Other
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 29, 2011 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Folic Acid and Zinc Supplementation Trial (FAZST)

NCT01857310
View directory record Official record
Conditions
Pregnancy, Live Birth, Spontaneous Abortion
Interventions
5 mg folic acid and 30 mg elemental zinc, Placebo Comparator: Placebo
Dietary Supplement · Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 45 Years
Enrollment
2,370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
4
States / cities
Chicago, Illinois • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Aspirin in Gestation and Reproduction

NCT00467363
View directory record Official record
Conditions
Birth, Spontaneous Abortion
Interventions
acetylsalicylic-acid (aspirin), Folic acid
Drug · Dietary Supplement
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
1,228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
4
States / cities
Denver, Colorado • Buffalo, New York • Scranton, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Phase 2 Interventional Results available

Gabapentin as an Adjunct to Perioperative Pain Management Regimens for Uterine Aspiration

NCT02725710
View directory record Official record
Conditions
Other Abortion, Spontaneous Abortion
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Not applicable Interventional

Evaluation of a Decision Aid for Early Pregnancy Loss

NCT04410029
View directory record Official record
Conditions
Early Pregnancy Loss
Interventions
Healthwise Decision Aid, Control informational handout
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Jul 21, 2026, 4:26 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

MiMi: A Randomized Trial of Mifepristone and Misoprostol for Treatment of Early Pregnancy Failure

NCT00468299
View directory record Official record
Conditions
Early Pregnancy Failure, Miscarriage, Fetal Demise, Anembryonic Pregnancy
Interventions
Misoprostol and placebo, Mifepristone and misoprostol
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2011 · Synced Jul 21, 2026, 4:26 PM EDT
Recruiting Phase 2 Interventional

Using Placental Pathology to Prevent Recurrent Adverse Pregnancy Outcomes: A Pilot Project

NCT06004674
View directory record Official record
Conditions
Adverse Pregnancy Outcome
Interventions
Lovenox 40mg
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Phase 4 Interventional Results available

Intrathecal Chloroprocaine vs. Bupivacaine for Cervical Cerclage

NCT03305575
View directory record Official record
Conditions
Cervical Incompetence
Interventions
Chloroprocaine, Bupivacaine
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Jul 21, 2026, 4:26 PM EDT
Not yet recruiting Not applicable Interventional

Personalized Care for Prenatal Stress Reduction & Prevention of Preterm Birth (PTB) Disparities

NCT06915428
View directory record Official record
Conditions
Preterm Birth Complication, Preterm Birth, Preterm Birth Recurrence, Preeclampsia, Preeclampsia (PE), Hypertensive Disorders of Pregnancy, Support Program, Stress, Resilience, Psychological, Empowerment, Patient, Emotional Stress, Pregnancy, Pregnancy Complications, Pregnancy Induced Hypertension, Neonates and Preterm Infants, Cervical Insufficiency, Social Determinants of Health (SDOH), Cervical Shortening, Disparities in Pregnancy Complications, Disparities, Prenatal Care, Care Coordination
Interventions
Care coordination, Electronic massage, support gift #1, Support gift #2, Support gift #3, Support gift #4, Additional PTBCARE+ support, Stress reduction toolkit - Visit 1 (V1), PTBCARE+ mobile application (app) and website, Sleep, meditation, and Wellness app, Emergency low blood sugar kit, Low dose aspirin (LDA), Visit #2 Stress Reduction Toolkit
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
1,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy and Reliability of Fetal Heart Rate and Uterine Contraction Monitoring Method

NCT01280357
View directory record Official record
Conditions
Pregnancy; Habitual Aborter, Weeks of Gestation 37 or More
Interventions
Monica AN24 (K101081), Philips 50XM
Device
Lead sponsor
Monica Healthcare Ltd
Industry
Eligibility
15 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 20, 2013 · Synced Jul 21, 2026, 4:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

BioThrax® (Anthrax) Vaccine in Pregnancy Registry

NCT01653392
View directory record Official record
Conditions
Pregnancy Complications, Pregnancy Outcome, Congenital Abnormalities
Interventions
Observational Intervention
Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Jul 21, 2026, 4:26 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Follow-up of Pregnant Women After a Mass Vaccination of Oral Cholera Vaccine (ShancholTM) in Nsanje Malawi

NCT02499172
View directory record Official record
Conditions
Miscarriage, Stillbirth, Cholera
Interventions
Shanchol
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 49 Years · Female only
Enrollment
2,758 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Not applicable Interventional

Chronic Endometritis and IVF

NCT02646930
View directory record Official record
Conditions
Chronic Endometritis, in Vitro Fertilization
Interventions
Endometrial biopsy
Procedure
Lead sponsor
Duke University
Other
Eligibility
21 Years to 35 Years · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Chicago, Illinois • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Jul 21, 2026, 4:26 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Couples Miscarriage Healing Project:Randomized Trial

NCT00194844
View directory record Official record
Conditions
Miscarriage, Grief, Pregnancy Loss
Interventions
Nurse Caring, Self Caring, Combined Caring
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 17, 2008 · Synced Jul 21, 2026, 4:26 PM EDT