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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Method of Contraception Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

Comparison of Two Internet Supported Natural Family Planning Methods

NCT00843336
View directory record Official record
Conditions
Pregnancy
Interventions
Electronic hormonal fertility monitoring, Self-monitoring
Behavioral
Lead sponsor
Marquette University
Other
Eligibility
18 Years to 42 Years
Enrollment
358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
2
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Jul 21, 2026, 4:39 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

LF111 or Drospirenone Chew vs Non-hormonal Contraceptive Methods on Bone Mineral Density in Adolescent and Adult Women

NCT05303636
View directory record Official record
Conditions
Change in Bone Mineral Density, Bone Loss
Interventions
drospirenone 4 mg oral tablet or drospirenone 3.5 mg chewable tablet
Drug
Lead sponsor
Insud Pharma
Industry
Eligibility
14 Years to 45 Years · Female only
Enrollment
1,536 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
27
States / cities
Phoenix, Arizona • Aurora, Colorado • Boynton Beach, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamics and Pharmacokinetics Study of Existing DMPA Contraceptive Methods

NCT02456584
View directory record Official record
Conditions
Contraception
Interventions
DMPA 150, DMPA 300, DMPA 104
Drug
Lead sponsor
FHI 360
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Jul 21, 2026, 4:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Postplacental Intrauterine Device Insertion: A Mixed Methods Assessment of Women's Experience

NCT02312726
View directory record Official record
Conditions
Contraception
Interventions
Postplacental IUD insertion
Procedure
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Jul 21, 2026, 4:39 PM EDT
Terminated Phase 3 Interventional Results available

Contraceptive Efficacy and Safety of NOMAC-E2 Combined Oral Contraceptive

NCT05264506
View directory record Official record
Conditions
Contraception
Interventions
NOMAC-E2 COC
Drug
Lead sponsor
Organon and Co
Industry
Eligibility
14 Years to 35 Years · Female only
Enrollment
3,055 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
103
States / cities
Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 79 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Postpartum Contraception in Women With Preterm Births

NCT01864629
View directory record Official record
Conditions
Method of Contraception, Preterm Birth Recurrence
Interventions
Focused contraception counseling
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
14 Years to 50 Years · Female only
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Jul 21, 2026, 4:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Weight Change Among Users of Three Progestin-Only Methods of Contraception Over a 12-Month Time Period

NCT01592058
View directory record Official record
Conditions
Weight Change
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Jul 21, 2026, 4:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety, Tolerability, and Efficacy of ellaOne® (Ulipristal Acetate) for Emergency Contraception in Postmenarcheal Adolescent Girls and Women

NCT01107106
View directory record Official record
Conditions
Contraception
Interventions
ellaOne® (ulipristal acetate)
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
Female only
Enrollment
579 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
4
States / cities
Denver, Colorado • Lakewood, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced Jul 21, 2026, 4:39 PM EDT
Terminated Not applicable Interventional Results available

Effect of Formal Contraception Handouts

NCT03956030
View directory record Official record
Conditions
Contraception, Counseling
Interventions
Contraception Handout, Nutritional Handout
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Jul 21, 2026, 4:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

A Comparison of Continuation Rates for Three Hormonal Contraceptive Methods

NCT00253019
View directory record Official record
Conditions
Contraception
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
13 Years to 45 Years · Female only
Enrollment
321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2013 · Synced Jul 21, 2026, 4:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Contraceptive Hormones, Immunity, and Microbiome Evaluation

NCT03660046
View directory record Official record
Conditions
Hormonal Contraception
Interventions
Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel IUD (Lng-IUD)
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 45 Years · Female only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Jul 21, 2026, 4:39 PM EDT
Withdrawn No phase listed Observational

The Effect of Birth Control Methods on Anti-Mullerian Hormone (AMH) Levels

NCT01308931
View directory record Official record
Conditions
Birth Control
Interventions
Not listed
Lead sponsor
Valleywise Health
Other
Eligibility
25 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Phoenix, Arizona • Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 4, 2014 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Efficacy, Safety, and Tolerability of LPRI-CF113 as an Oral Contraceptive in Females

NCT05461573
View directory record Official record
Conditions
Contraception, Change in Bone Mineral Density
Interventions
Drospirenone
Drug
Lead sponsor
Insud Pharma
Industry
Eligibility
13 Years to 45 Years · Female only
Enrollment
1,542 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
46
States / cities
Alabaster, Alabama • Birmingham, Alabama • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Drug Exposure and Depot Medroxyprogesterone Acetate (DMPA) in Adolescent Subjects

NCT01461824
View directory record Official record
Conditions
Weight Gain, Disorder of Bone Density and Structure, Unspecified, Uterine Bleeding
Interventions
Depot medroxyprogesterone acetate (DMPA)
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Phase 4 Interventional Results available

Intrauterine Contraceptive Device (IUD) Placement at Time of C-Section

NCT00733278
View directory record Official record
Conditions
Contraception
Interventions
Copper IUD ( ParaGard Intrauterine Contraceptive Device)
Device
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of Different Methods of Birth Control on the Drug Actions of Zidovudine (an Anti-HIV Drug) in HIV-Positive Women and to Compare Zidovudine Metabolism in Men and Women

NCT00000897
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
San Francisco, California • Jacksonville, Florida • Albany, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial Assessing the Effectiveness of Text Messages in Improving Continuation of Birth Control

NCT01545609
View directory record Official record
Conditions
Initiation of a Birth Control Method
Interventions
Text messaging
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Jul 21, 2026, 4:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Quick Start Approach to Birth Control Pills

NCT00068848
View directory record Official record
Conditions
Pregnancy, Contraception
Interventions
Quick start oral contraceptive initiation
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Up to 24 Years · Female only
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
3
States / cities
Atlanta, Georgia • New York, New York • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2007 · Synced Jul 21, 2026, 4:39 PM EDT