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Showing 1–24 of 527 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Contraception Clear all
Completed No phase listed Observational Accepts healthy volunteers

Real World Effectiveness and Safety of Hysteroscopic (Essure®) Compared to Laparoscopic Sterilization

NCT03438682
View directory record Official record
Conditions
Sterility, Female, Contraception, Contraceptive Device; Complications
Interventions
Essure, Laparoscopic sterilization, Intrauterine Device (IUD)
Device · Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
89,203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Premature Discontinuation of Contraceptive Implants

NCT04828824
View directory record Official record
Conditions
Contraception Behavior
Interventions
Ethinyl Estradiol / Norgestimate Oral Tablet
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 23 Years · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Immediate vs. Delayed Insertion of Copper T 380A IUD After Termination of Pregnancy Over 12-weeks Gestation

NCT00540046
View directory record Official record
Conditions
Contraception Behavior
Interventions
Copper T 380A IUD
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
16 Years and older · Female only
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2015 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of Contraception on Postpartum Weight Loss

NCT02144259
View directory record Official record
Conditions
Weight
Interventions
DMPA immediately postpartum, Implanon immediately postpartum
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 16, 2017 · Synced Jul 22, 2026, 2:38 PM 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 2, 2023 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Postcoital Testing Study of the SILCS Diaphragm Used With 3% N-9 Gel, ContraGel, or No Gel

NCT02309554
View directory record Official record
Conditions
Contraception
Interventions
SILCS diaphragm used with ContraGel, SILCS diaphragm used with 3% Nonoxynol-9, SILCS diaphragm
Other
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 31, 2016 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Respecting the Circle of Life on Pregnancy Prevention Outcomes Among American Indian Adolescents

NCT02904629
View directory record Official record
Conditions
Sex, Unprotected Sex, Contraception, Alcohol Use, Drug Use, Pregnancy
Interventions
Respecting the Circle of Life (RCL), Control Program
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
11 Years and older
Enrollment
1,072 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Whiteriver, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Jul 22, 2026, 2:38 PM EDT
Enrolling by invitation Not applicable Interventional

Using the Connect: Game Based Intervention

NCT05927194
View directory record Official record
Conditions
Adolescent Behavior, Contraception, Health Behavior
Interventions
Using the Connect
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
9 Years to 15 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Study to Assess the Safety of a New Inserter Device for Paragard® (Intrauterine Copper Contraceptive)

NCT05309694
View directory record Official record
Conditions
Contraception
Interventions
Paragard® T380A Intrauterine Copper Contraceptive with New Inserter
Combination Product
Lead sponsor
CooperSurgical Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
8
States / cities
Denver, Colorado • South Miami, Florida • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Early Phase 1 Interventional

Inpatient Adolescent Contraception

NCT04423068
View directory record Official record
Conditions
Pregnancy Related, Contraception, Contraceptive Usage, Contraception Behavior, Pregnancy
Interventions
SexHealth II, Contraceptive
Behavioral · Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Jul 22, 2026, 2:38 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

A Study of Oral Contraception Under Simulated OTC Conditions

NCT03559010
View directory record Official record
Conditions
Contraception
Interventions
Norgestrel 0.075 mg tablets
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
12 Years and older · Female only
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
44
States / cities
Birmingham, Alabama • Homewood, Alabama • McCalla, Alabama + 38 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Depo-Provera: Bone Mineral Density and Total Body Calcium in Adolescent DP150CI Users and Non-Hormonal Contraception

NCT00139685
View directory record Official record
Conditions
Contraception, Bone Density
Interventions
Depo-Provera Contraceptive Injection - DP150CI
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 18 Years · Female only
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2007
U.S. locations
12
States / cities
Los Angeles, California • Palo Alto, California • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2008 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Evaluation of Virtual Student Health Center Among Incarcerated Juvenile Offenders

NCT04027010
View directory record Official record
Conditions
Lack of Knowledge About Condoms and Birth Control, Adolescent Sexual Intercourse, Sexual Intercourse Without a Condom or Birth Control, Unplanned Pregnancies
Interventions
"Healthy U" tablet application
Other
Lead sponsor
WestEd
Other
Eligibility
14 Years to 19 Years · Male only
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Los Alamitos, California • Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prostate Specific Antigen (PSA) and Acute Failure Modes Study of the PATH Woman's Condom and FC2 Female Condom

NCT01178840
View directory record Official record
Conditions
Birth Control
Interventions
WC then FC2, FC2 then WC
Device
Lead sponsor
CONRAD
Other
Eligibility
18 Years and older
Enrollment
505 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Jul 22, 2026, 2:38 PM EDT
Completed No phase listed Observational Results available

Same Day Oral EC and Implant Initiation

NCT04678817
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant with oral levonorgestrel, Levonorgestrel intrauterine device, Copper T380A intrauterine device
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Avatar Contraception Communication Training

NCT05995574
View directory record Official record
Conditions
Communication
Interventions
avatar communication training
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of St. John's Wort on the Effectiveness of Oral Contraceptives

NCT00026013
View directory record Official record
Conditions
Contraception
Interventions
hypericum perforatum
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

VAS-2 Vasectomy With the Vax-X

NCT00663533
View directory record Official record
Conditions
Healthy
Interventions
Vas-X
Device
Lead sponsor
University of Washington
Other
Eligibility
30 Years to 55 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00477633
View directory record Official record
Conditions
Contraception
Interventions
Norethindrone/ethinyl estradiol
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
63
States / cities
Chandler, Arizona • Phoenix, Arizona • Tempe, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home-based Delivery of the Contraceptive Implant in Postpartum Guatemalan Women

NCT04005391
View directory record Official record
Conditions
Postpartum
Interventions
Offer of Participant's Choice of Contraception Method
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 35 Years · Female only
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Hormonal Contraception and Vaginal Health

NCT00612508
View directory record Official record
Conditions
Contraceptive Usage, Vaginal Epithelial Disruption
Interventions
Desogen (ethinyl estradiol and desogestrel), NuvaRing (ethinyl estradiol and etonogestrel)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 7, 2012 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

EC PK in Women With Normal and Obese BMI

NCT02689804
View directory record Official record
Conditions
Contraception
Interventions
LNG-EC, UPA-EC
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Smoking, Sex Hormones, and Pregnancy

NCT01811225
View directory record Official record
Conditions
Nicotine Dependence, Contraception
Interventions
Low-dose Progesterone, High-dose Progesterone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Jul 22, 2026, 2:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Long-Acting Progestin Contraception and the Vaginal Microbiome

NCT02740998
View directory record Official record
Conditions
Sexually Transmitted Infection
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 22, 2026, 2:38 PM EDT