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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:09 PM EDT

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Showing 25–48 of 60 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Transvaginal ultrasound Clear all
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 6, 2026, 1:09 PM EDT
Completed No phase listed Observational

Breast Imaging Studies in Women at High Genetic Risk of Breast Cancer: Annual Follow-Up Study

NCT00006421
View directory record Official record
Conditions
Breast Cancer
Interventions
2-Fluorodeoxyglucose
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 6, 2026, 1:09 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Ultrasound and Endometrial Hyperplasia

NCT00123188
View directory record Official record
Conditions
Endometrial Hyperplasia
Interventions
Ultrasound and Biopsy
Procedure
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 19, 2015 · Synced Oct 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Transvaginal Ultrasonography as a Screening Method for Ovarian Cancer

NCT04473833
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 6, 2026, 1:09 PM EDT
Completed No phase listed Observational

Breast Imaging Studies in Women at High Genetic Risk of Breast Cancer: Menstrual Cycle Study

NCT00006425
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 27, 2020 · Synced Oct 6, 2026, 1:09 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Cancer Screening Program for Women at High Risk for Developing Ovarian Cancer

NCT01292733
View directory record Official record
Conditions
Ovarian Diseases, Ovarian Neoplasms
Interventions
Laboratory Tumor Marker Analysis, Transvaginal Ultrasound, Health Status Questionnaire
Other
Lead sponsor
Swedish Medical Center
Other
Eligibility
30 Years and older · Female only
Enrollment
534 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 20, 2016 · Synced Oct 6, 2026, 1:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Efficacy of Recombinant FSH/GnRH Antagonist Protocol With and Without LH Adjunct for Egg Bank Donation

NCT02069808
View directory record Official record
Conditions
Egg Donation
Interventions
Follistim, Ganirelix, Menotropins, Leuprolide, Transvaginal ultrasound guided needle aspiration of oocytes
Drug · Procedure
Lead sponsor
Michigan Reproductive Medicine
Other
Eligibility
18 Years to 28 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Bloomfield Hills, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 23, 2018 · Synced Oct 6, 2026, 1:09 PM EDT
Withdrawn No phase listed Observational

Ovarian Damage in Young Premenopausal Women Undergoing Chemotherapy for Cancer

NCT00402935
View directory record Official record
Conditions
Leukemia, Long-term Effects Secondary to Cancer Therapy in Adults, Long-term Effects Secondary to Cancer Therapy in Children, Lymphoma, Sexual Dysfunction and Infertility, Sexuality and Reproductive Issues, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
laboratory biomarker analysis, fertility assessment and management, management of therapy complications, ultrasound imaging
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
14 Years to 35 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2012 · Synced Oct 6, 2026, 1:09 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Application for the Etonogestrel/Ethinyl Estradiol Ring

NCT03120728
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Oct 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM EDT
Completed Not applicable Interventional

Feasibility Study of the AblaCare System in Transvaginal Ablation of Ovarian Tissue Under ULTRAsound Visualization in Women With Infertility Due to Polycystic Ovary Syndrome

NCT05320289
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Infertility, Female
Interventions
AblaCare System
Device
Lead sponsor
May Health
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 6, 2026, 1:09 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 9, 2026 · Synced Oct 6, 2026, 1:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Cerclage On LOw Risk Singletons: Cervical Cerclage for Prevention of Spontaneous Preterm Birth in Low Risk Singleton Pregnancies With Short Cervix

NCT03251729
View directory record Official record
Conditions
Premature Birth
Interventions
Cervical cerclage, Vaginal progesterone
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 19, 2024 · Synced Oct 6, 2026, 1:09 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 30, 2011 · Synced Oct 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM EDT
Not listed No phase listed Observational

Dynamic Cervical Change: Prediction of Preterm Labor in Symptomatic Patients

NCT00298480
View directory record Official record
Conditions
Dynamic Cervical Change in Preterm Labor Patients
Interventions
Not listed
Lead sponsor
Memorial Health Services Research Council
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
220 participants
Timeline
2005 – 2007
U.S. locations
3
States / cities
Laguna Hills, California • Long Beach, California • Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2007 · Synced Oct 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM 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 6, 2026, 1:09 PM EDT