Large-scale testing (Phase 3)Study completedNCT00843336What this trial is testingComparison of Two Internet Supported Natural Family Planning MethodsWho this might be right forPregnancy Marquette University 358
Large-scale testing (Phase 3)Study completedNCT00271583What this trial is testingEfficacy Trial of CDB 2914 for Emergency ContraceptionWho this might be right forEmergency Contraception University of Pittsburgh 1,672
Testing effectiveness (Phase 2)Study completedNCT00185224What this trial is testingMetabolism Study to Investigate the Impact of a Sequential Oral ContraceptiveWho this might be right forContraception Bayer 58
Testing effectiveness (Phase 2)Study completedNCT00320580What this trial is testingAn Open-Label Study to Compare the Bleeding Profile of Norelgestromin/Ethinyl Estradiol in an Extended Regimen to Norelgestromin/Ethinyl Estradiol Given in a Traditional RegimenWho this might be right forMetrorrhagia McNeil Consumer & Specialty Pharmaceuticals, a Division of McNeil-PPC, Inc. 239
Not applicableStudy completedNCT00775047What this trial is testingPharmacist-Administered Injections for ContraceptionWho this might be right forContraception University of North Carolina, Chapel Hill 50
Testing effectiveness (Phase 2)Study completedNCT01221831What this trial is testingCycle Control Assessment of a Combined Oral Contraceptive Containing Estetrol and a Progestin P1 or P2Who this might be right forContraception Estetra 396
Large-scale testing (Phase 3)Study completedNCT03074045What this trial is testingLCS16 vs. COC User Satisfaction and Tolerability StudyWho this might be right forContraception Bayer 145
Large-scale testing (Phase 3)Study completedNCT00764881What this trial is testingEffects of SH T00658ID on LibidoWho this might be right forContraceptionLibido Bayer 217
Not applicableStudy completedNCT02067663What this trial is testingComparison of the Levonorgestrel IUD and the Copper IUD Placed in the Immediate Postplacental Period: A Prospective Cohort StudyWho this might be right forContraception University of Colorado, Denver 123
Testing effectiveness (Phase 2)UnknownNCT06203080What this trial is testingThe Contraceptive Efficacy and Safety of an Intravaginal Acetic Acid Thermoreversible Gel on Chinese Women.Who this might be right forContraceptive Device; Complications National Research Institute for Family Planning, China 240
Large-scale testing (Phase 3)Study completedNCT00551616What this trial is testingSafety and Efficacy of CDB-2914 in Comparison to Levonorgestrel for Emergency ContraceptionWho this might be right forContraception HRA Pharma 2,221
Early research (Phase 1)Study completedNCT01096485What this trial is testingCross-over Study to Prove Bioequivalence Between Two Oral Formulations of LevonorgestrelWho this might be right forContraceptionContraception, Postcoital Bayer 24
Not applicableStudy completedNCT00000897What this trial is testingEvaluate 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 WomenWho this might be right forHIV Infections National Institute of Allergy and Infectious Diseases (NIAID) 42
Early research (Phase 1)Study completedNCT01595022What this trial is testingFR01 and FR20 IUS (Intrauterine System) Wearing StudyWho this might be right forContraception Bayer 90
Not applicableStudy completedNCT04120337What this trial is testingSafe Access: Trial With RemovAid DeviceWho this might be right forRemoval of a Contraceptive Subdermal Implant RemovAid AS 225
Testing effectiveness (Phase 2)UnknownNCT00439972What this trial is testingOral Versus Patch Hormonal Contraceptive Effects on Metabolism, Clotting, Inflammatory Factors and Vascular ReactivityWho this might be right forContraception University of Washington 36
Post-approval studies (Phase 4)Study completedNCT00261482What this trial is testingEvaluation of Women's Experience With EVRA (Norelgestromin + Ethinyl Estradiol) Transdermal Contraceptive Patch Compared With Previous Methods of Contraception.Who this might be right forContraceptionFemale Contraception Janssen Pharmaceutica N.V., Belgium 778
Post-approval studies (Phase 4)Active Not RecruitingNCT05303636What this trial is testingLF111 or Drospirenone Chew vs Non-hormonal Contraceptive Methods on Bone Mineral Density in Adolescent and Adult WomenWho this might be right forChange in Bone Mineral DensityBone Loss Insud Pharma 1,536
Not applicableActive Not RecruitingNCT05233956What this trial is testingLevonorgestrel Intrauterine System Effects on Hemoglobin and Serum Ferritin Among Anemic Women in KenyaWho this might be right forAnemia FHI 360 405
Large-scale testing (Phase 3)Study completedNCT00185419What this trial is testingA Clinical Study on Yasmin® vs. Marvelon® in Chinese Women Requiring ContraceptionWho this might be right forContraception Bayer 842