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ClinicalTrials.gov public records Last synced Sep 28, 2026, 12:35 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Conditions
Uterine Injury
Interventions
MRI, SWE, and US evaluation
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Recruiting No phase listed Observational Accepts healthy volunteers

Prospective Evaluation of Pathways for Preterm Birth

NCT05246579
Conditions
Preterm Birth, Cervix; Pregnancy
Interventions
Not listed
Lead sponsor
John O'Brien, MD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Fertility Issues
Interventions
Transvaginal ultrasound performed by a woman herself (with HCP supervision via telemedicine)
Device
Lead sponsor
Turtle Health, Inc.
Industry
Eligibility
18 Years to 49 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Endometrial Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Serum Contraceptive Hormone Levels Between Normal Weight and Obese Users of the NuvaRing®

NCT00710606
Conditions
Pharmacokinetics
Interventions
NuvaRing
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New York, New York
Not listed No phase listed Observational Accepts healthy volunteers

Impact of Endometrial Compaction in Euploid Frozen Embryo Transfers

NCT04330066
Conditions
Infertility, Female
Interventions
Abdominal ultrasound measurement of the endometrial lining
Diagnostic Test
Lead sponsor
Boston IVF
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed Phase 4 Interventional Accepts healthy volunteers

Application for the Etonogestrel/Ethinyl Estradiol Ring

NCT03120728
Conditions
Emergency Contraception, Healthy, Reproductive Age Women
Interventions
Etonogestrel/ethinyl estradiol contraceptive vaginal ring
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Conditions
Female Reproductive System Adnexal Neoplasm, Ovarian Carcinoma, Female Reproductive System Neoplasm, Ovarian Neoplasms, Adnexal Lesion, Ovarian Lesion
Interventions
Transvaginal Ultrasound, Ultrasound Microvessel Imaging
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Ovarian Cancer
Interventions
Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years to 74 Years · Female only
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2028
U.S. locations
12
States / cities
Miami, Florida • Des Moines, Iowa • Minneapolis, Minnesota + 8 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Transvaginal Ultrasonography as a Screening Method for Ovarian Cancer

NCT04473833
Conditions
Ovarian Cancer
Interventions
Serial Transvaginal Ultrasonography
Procedure
Lead sponsor
John R van Nagell
Other
Eligibility
24 Years and older · Female only
Enrollment
65,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1988 – 2026
U.S. locations
1
States / cities
Lexington, Kentucky
Completed Early Phase 1 Interventional Accepts healthy volunteers

Depot Medroxyprogesterone Acetate as Emergency Contraception

NCT03395756
Conditions
Emergency Contraception, Contraception
Interventions
Depot-Medroxyprogestereone Acetate
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Helping Adults Perform Transvaginal Exams Via Coaching at Home

NCT05282524
Conditions
Women's Health
Interventions
Transvaginal ultrasound performed by a woman herself (with remote healthcare professional supervision)
Device
Lead sponsor
Turtle Health, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Results available

Pannus Assistance Needed for Obstetric Ultrasound Studies

NCT05764408
Conditions
Obesity Complicating Childbirth, Fetal Anomaly
Interventions
traxi® Panniculus Retractor
Device
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
16 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Greenville, South Carolina
Conditions
Polycystic Ovary Syndrome, Infertility, Female
Interventions
May Health System
Device
Lead sponsor
May Health
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
19
States / cities
Encino, California • San Francisco, California • Tampa, Florida + 16 more
Conditions
Infertility, Female
Interventions
Uterine Elastography
Diagnostic Test
Lead sponsor
Reproductive Medicine Associates of New Jersey
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Basking Ridge, New Jersey
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Prematurity Risk Assessment Combined With Clinical Interventions for Improving Neonatal outcoMEs

NCT04301518
Conditions
Preterm Labor, Preterm Birth
Interventions
Multimodal intervention strategy
Other
Lead sponsor
Sera Prognostics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
6,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
18
States / cities
San Diego, California • New Haven, Connecticut • Newark, Delaware + 15 more
Conditions
Uterine Bleeding, Uterine Fibroids, Adenomyosis
Interventions
Evaluation of MRI, US for pelvic and uterine conditions, Patient preference between MRI and Ultrasound
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Transabdominal and Transvaginal Sonography in Medical Abortion

NCT03047551
Conditions
Abortion Early
Interventions
Transabdominal sonography, Transvaginal sonography
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Morristown, New Jersey • New York, New York
Conditions
Ovarian Carcinoma
Interventions
Bilateral Salpingectomy, Bilateral Salpingectomy with Oophorectomy, Biospecimen Collection, Magnetic Resonance Imaging, Quality-of-Life Assessment, Questionnaire Administration, Transvaginal Ultrasound, Ultrasound Imaging
Procedure · Other
Lead sponsor
NRG Oncology
Other
Eligibility
35 Years to 50 Years · Female only
Enrollment
1,956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2047
U.S. locations
564
States / cities
Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 372 more
Conditions
Healthy, Fragile X Syndrome
Interventions
Follicle Aspiration
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

SELF-GYN1 (Sonograms Enable Looking Forward- Get Your iNformation 1 Trial)

NCT05443698
Conditions
Fertility Risk
Interventions
Transvaginal ultrasound
Device
Lead sponsor
Turtle Health, Inc.
Industry
Eligibility
22 Years and older · Female only
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts • Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Two Methods of Diagnosing Preterm Labor

NCT01431885
Conditions
Preterm Labor, Preterm Delivery
Interventions
Diagnosis by cervical length and fibronectin, Cervical change
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Fresno, California
Conditions
Endometrial Cancer
Interventions
medroxyprogesterone, ethinyl estradiol, norgestrel, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Houston, Texas