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ClinicalTrials.gov public records Last synced Oct 23, 2026, 8:42 AM EDT

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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: TVU Clear all
Recruiting Not applicable Interventional

A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer

NCT04251052
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 23, 2026, 8:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Ultrasound Evaluation for Improving Patient Selection in vNOTES

NCT05623514
View directory record Official record
Conditions
Surgery
Interventions
Trans-vaginal ultrasound
Diagnostic Test
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional

Does Fetal Fibronectin and Ultrasound Cervical Length Help in the Evaluation of Women With Suspected Preterm Labor?

NCT00371046
View directory record Official record
Conditions
Preterm Birth
Interventions
Transvaginal ultrasound cervical length, Cervicovaginal fetal fibronectin
Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2007 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional

A Trial Using Novel Markers to Predict Malignancy in Elevated-Risk Women

NCT01121640
View directory record Official record
Conditions
Epithelial Ovarian Cancer
Interventions
CA125 assay on Abbott Architect i1000SR platform, HE4 assay on Architect i1000SR platform, Transvaginal Ultrasound
Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
25 Years to 80 Years · Female only
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
5
States / cities
Duarte, California • Los Angeles, California • Stanford, California + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Helping Adults Perform Transvaginal Exams Via Coaching at Home

NCT05282524
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Phase 1 Interventional

Transvaginal Ultrasound and Photoacoustic Imaging of the Ovary

NCT03262818
View directory record Official record
Conditions
Oophorectomy
Interventions
Transvaginal ultrasound, Ultrasound/Photoacoustic imaging
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 23, 2018 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional

Transvaginal Ultrasound: Preterm Birth Prevention in Appalachia

NCT03833284
View directory record Official record
Conditions
Preterm Birth
Interventions
Participant Barriers to TVU Screening, Provider Barriers to TVU Screening
Behavioral
Lead sponsor
Niraj Chavan
Other
Eligibility
18 Years to 49 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transvaginal Ultrasound Training for Obstetrics and Gynecology Residents

NCT02890914
View directory record Official record
Conditions
Ovarian Cysts
Interventions
Transvaginal Ultrasound Educational DVD
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • West Reading, Pennsylvania • Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Oct 23, 2026, 8:42 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Prematurity Risk Assessment Combined With Clinical Interventions for Improving Neonatal outcoMEs

NCT04301518
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Oct 23, 2026, 8:42 AM EDT
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
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 23, 2026, 8:42 AM EDT
Completed No phase listed Observational

Transvaginal Pelvic Ultrasound in the ED

NCT02547857
View directory record Official record
Conditions
Abdominal Pain, Pelvic Pain
Interventions
Pelvic US
Other
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Oct 23, 2026, 8:42 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Aromatase Activity and Ovarian Growth Factors in African-American Versus Caucasian Women

NCT00334971
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 6, 2013 · Synced Oct 23, 2026, 8:42 AM EDT
Withdrawn Not applicable Interventional

Home Examinations Researching and Understanding Submucosal Evaluations

NCT05004870
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 29, 2022 · Synced Oct 23, 2026, 8:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Prospective Evaluation of Pathways for Preterm Birth

NCT05246579
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT05443698
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Two Methods of Diagnosing Preterm Labor

NCT01431885
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 23, 2026, 8:42 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Prophylactic Salpingectomy With Delayed Oophorectomy

NCT01907789
View directory record Official record
Conditions
Ovarian Carcinoma
Interventions
Ovarian Cancer Screening, Prophylactic Salpingectomy with Delayed Oophorectomy, Risk-Reducing Salpingo-Oophorectomy, Questionnaire, Transvaginal Ultrasound, Phone Call
Other · Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
30 Years to 47 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2030
U.S. locations
2
States / cities
Evanston, Illinois • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 23, 2026, 8:42 AM EDT
Terminated Not applicable Interventional

A Novel Imaging Modality to Evaluate Radiation-Induced Uterine Injury

NCT06518174
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 23, 2026, 8:42 AM EDT
Not listed Not applicable Interventional

Frozen Blastocyst Transfer Using Conventional Timing Versus Timing by Endometrial Receptivity Analysis

NCT03558399
View directory record Official record
Conditions
Implantation Failure, Infertility, Female
Interventions
FET according to ERA, FET according to standard protocol
Other
Lead sponsor
Shady Grove Fertility Reproductive Science Center
Other
Eligibility
30 Years to 40 Years · Female only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Depot Medroxyprogesterone Acetate as Emergency Contraception

NCT03395756
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Essure Transvaginal Ultrasound (TVU) Study

NCT01327105
View directory record Official record
Conditions
Contraceptive Usage
Interventions
TVU
Device
Lead sponsor
Bayer
Industry
Eligibility
21 Years to 44 Years · Female only
Enrollment
547 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2023
U.S. locations
13
States / cities
Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Oct 23, 2026, 8:42 AM EDT
Withdrawn Not applicable Interventional

Photoacoustic Imaging in Detecting Ovarian or Fallopian Tube Cancer

NCT02530606
View directory record Official record
Conditions
Fallopian Tube Carcinoma, Ovarian Carcinoma
Interventions
Photoacoustic Imaging
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Oct 23, 2026, 8:42 AM EDT
Completed Phase 2 Interventional

Hormone Therapy in Preventing Endometrial Cancer in Patients With a Genetic Risk For Hereditary Nonpolyposis Colon Cancer

NCT00033358
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 23, 2026, 8:42 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Impact of Endometrial Compaction in Euploid Frozen Embryo Transfers

NCT04330066
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 23, 2026, 8:42 AM EDT