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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Spontaneous Abortions Clear all
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 Sep 28, 2026, 6:40 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 Sep 28, 2026, 6:40 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Heartland Study

NCT05492708
View directory record Official record
Conditions
Pregnancy Related, Pregnancy Complications, Birth Defect, Gestational Age and Weight Conditions, Spontaneous Abortion, Miscarriage, Exposure to Herbicides
Interventions
Not listed
Lead sponsor
Heartland Health Research Alliance
Other
Eligibility
18 Years and older · Female only
Enrollment
2,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2029
U.S. locations
4
States / cities
Indianapolis, Indiana • Iowa City, Iowa • La Crosse, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Sep 28, 2026, 6:40 PM EDT
Not listed No phase listed Observational

Prognostic Value of PIF Detection in Embryo Culture Media Correlation With Pregnancy Outcome

NCT01803893
View directory record Official record
Conditions
Pregnancy, Fertility
Interventions
Not listed
Lead sponsor
BioIncept LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 3, 2013 · Synced Sep 28, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional

Hysteroscopy for the Diagnosis and Treatment of Pregnancy of Unknown Location

NCT07469605
View directory record Official record
Conditions
Pregnancy of Unknown Location
Interventions
Hysteroscopy for diagnosis and treatment of pregnancy of unknown location
Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 28, 2026, 6:40 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 Sep 28, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional

Conversational AI Platform for Early Pregnancy Care City-wide Recruitment: A Feasibility Study

NCT07197892
View directory record Official record
Conditions
Early Pregnancy
Interventions
CIRCA Texting Platform
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
15 Years and older · Female only
Enrollment
2,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 28, 2026, 6:40 PM EDT
Completed Not applicable Interventional

Group Interpersonal Psychotherapy for Treatment of Major Depressive Disorder Following Perinatal Loss

NCT01867749
View directory record Official record
Conditions
Major Depressive Disorder, Miscarriage, Stillbirth, Neonatal Death
Interventions
Group Interpersonal Psychotherapy (IPT-G), Coping with Depression (CWD)
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Sep 28, 2026, 6:40 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 Sep 28, 2026, 6:40 PM EDT
Completed Not applicable Interventional

Conversational Artificial Intelligence (AI) to Improve PeRiconception Care Access

NCT06618144
View directory record Official record
Conditions
Early Pregnancy Loss, Early Pregnancy
Interventions
Texting platform
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 28, 2026, 6:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Internet-based Study of Fertility and Early Pregnancy (PEEPS)

NCT01904669
View directory record Official record
Conditions
Fertility, Infertility, Pregnancy, Abortion, Spontaneous
Interventions
Not listed
Lead sponsor
Courtney D.Lynch, PhD MPH
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 27, 2015 · Synced Sep 28, 2026, 6:40 PM EDT
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 Sep 28, 2026, 6:40 PM EDT
Suspended Phase 2 Interventional

Preimplantation Genetic Diagnosis Using Blastocyst Biopsy and Array CGH

NCT01546350
View directory record Official record
Conditions
Infertility, Recurrent Pregnancy Loss
Interventions
PGD, PGD
Genetic · Procedure
Lead sponsor
Reprogenetics
Industry
Eligibility
32 Years to 42 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
4
States / cities
Beverly Hills, California • Highland Park, Illinois • Livingston, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2013 · Synced Sep 28, 2026, 6:40 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 – 2027
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 28, 2026, 6:40 PM EDT
Completed No phase listed Observational

A Follow-up of the Early Pregnancy Study Cohort.

NCT01132924
View directory record Official record
Conditions
Gestational Age, Time to Pregnancy, Early Pregnancy Loss
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
45 Years to 75 Years · Female only
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 28, 2026, 6:40 PM EDT
Recruiting Phase 4 Interventional

Ketorolac Use and Fresh Embryo Transfer Outcomes

NCT07185724
View directory record Official record
Conditions
Infertility (IVF Patients), Infertility Treatment, Post-op Pain, Fresh Embryo Transfer, Oocyte Retrieval and Post Operative Pain Control
Interventions
Ketorolac 30 mg IV
Drug
Lead sponsor
Jessica D. Kresowik
Other
Eligibility
18 Years to 37 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 28, 2026, 6:40 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 Sep 28, 2026, 6:40 PM EDT
Active, not recruiting No phase listed Observational

Factors Influencing Fertility or Pregnancy Health

NCT04595760
View directory record Official record
Conditions
Menstrual Cycles, Conception, Early Pregnancy Loss, Pregnancy Outcomes
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
21 Years to 42 Years · Female only
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 27, 2026 · Synced Sep 28, 2026, 6:40 PM EDT
Completed Phase 3 Interventional Results available

Comparative Effectiveness of Pregnancy Failure Management Regimens

NCT02012491
View directory record Official record
Conditions
Spontaneous Abortion
Interventions
Misoprostol, Mifepristone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
3
States / cities
Sacramento, California • The Bronx, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 28, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional

Hysteroscopic Resection Versus Manual Vacuum Aspiration for Early Pregnancy

NCT07088510
View directory record Official record
Conditions
Miscarriage in First Trimester
Interventions
Hysteroscopic resection, Manual Vacuum Aspiration
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 28, 2026, 6:40 PM EDT
Not listed Phase 2 Interventional

Comparison of Standard ART Practice vs. Trophectoderm Biopsy and Whole Chromosome Analysis

NCT01946945
View directory record Official record
Conditions
Infertility, Recurrent Pregnancy Loss
Interventions
Next Generation Sequencing after Blastocyst biopsy
Genetic
Lead sponsor
Reprogenetics
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Livingston, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Sep 28, 2026, 6:40 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Preventing Preterm Birth With a Negative Pressure Cervical Cup: a Feasibility Study

NCT05512052
View directory record Official record
Conditions
Preterm Birth, Cervical Incompetence, Cervical Insufficiency, Short Cervix, Soft Cervix
Interventions
Hannah Cervical Cup (2 mm Delta), Hannah Cervical Cup (4 mm Delta), Hannah Cervical Cup (6 mm Delta)
Device
Lead sponsor
Galena Innovations, LLC
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Sep 28, 2026, 6:40 PM EDT
Completed No phase listed Observational

Measuring Immune Tolerance to Predict Miscarriage or Failed Embryo Transfer

NCT04156126
View directory record Official record
Conditions
Infertility, Pregnancy Loss, Spontaneous Abortion
Interventions
Blood Collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 28, 2026, 6:40 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 Sep 28, 2026, 6:40 PM EDT