| Recruiting | International Active Surveillance Study: Safety of Estrogen Estetrol (E4) Contraceptive Study (INAS-SEECS) Contraception | — | 2025-04-24 |
| Recruiting | International Active Surveillance Study: Native Estrogen Estetrol (E4) Safety Study Contraception, Birth Control | — | 2023-06-28 |
| Completed | RIVET - Retrospective Cohort Study on the Risk of Venous Thromboembolism Venous Thromboembolism | — | 2022-03-10 |
| Terminated | Maternal and Newborn Safety Profile of Progestogens in EARLY Pregnancy Early Pregnancy Bleeding, Recurrent Pregnancy Loss | — | 2021-12-15 |
| Completed | TRACY - Track My Cycle Fertility Monitor, Cycle Tracking | — | 2019-07-03 |
| Terminated | European Active Surveillance Study Comparing Regimens of Administration in Combined Hormonal Contraception Contraception | — | 2015-11-01 |
| Completed | DUS on the Prescribing Indications for CPA/EE in 5 European Countries Hirsutism, Androgenetic Alopecia, Severe Anemia | — | 2015-03-06 |
| Active Not Recruiting | European Active Surveillance Study of LCS12 Contraception | — | 2014-06-17 |
| Completed | Prospective Controlled Cohort Study on the Safety of a Monophasic Oral Contraceptive Containing Nomegestrol Ac Contraception | — | 2012-07-01 |
| Completed | Nexplanon Observational Risk Assessment Study (NORA) Contraception | — | 2011-11-01 |
| Completed | Visanne Post-approval Observational Study (VIPOS) Endometriosis | — | 2010-12-07 |
| Completed | INAS-FOCUS (International Active Surveillance Study - Folate in Oral Contraceptives Utilization Study) Contraception | — | 2010-11-22 |
| Completed | International Active Surveillance Study - Safety of Contraceptives: Role of Estrogens Contraception | — | 2009-08-01 |
| Completed | Drug Utilization Study on the Prescribing Indications for Yasmin® and Other OCs in Croatia Contraception | — | 2009-02-01 |
| Terminated | Surveillance Study of Women Taking Intrinsa® Ovariectomy, Hysterectomy, Hypoactive Sexual Desire Disorder | — | 2007-09-01 |
| Completed | Transatlantic Active Surveillance on Cardiovascular Safety of NuvaRing (TASC) Contraception | — | 2007-09-01 |
| Completed | Use of Oral Contraceptives (OCs) Containing Dienogest and Risk of Venous Thromboembolism Venous Thromboembolism | — | 2007-07-01 |
| Completed | European Active Surveillance Study for Intrauterine Devices Uterine Perforation | — | 2006-11-01 |
| Completed | Case-Control-Study on the Breast Cancer Risk of Mirena® Compared With Copper IUDs Breast Cancer | — | 2006-10-01 |
| Completed | International Active Surveillance Study of Women Taking Oral Contraceptives (INAS-OC) Contraception | — | 2005-08-01 |
| Completed | European Active Surveillance Study of Women Taking Hormone Replacement Therapy (HRT) Menopausal Symptoms | — | 2004-11-01 |
| Completed | Long-term Active Surveillance Study for Oral Contraceptives (LASS) Arterial Thromboembolism, Venous Thromboembolism, Breast Cancer | — | 2001-02-01 |
| Completed | Case-Control Study on Analgesics and Nephropathy (SAN) Kidney Failure, Chronic | — | 2001-01-01 |
| Completed | European Active Surveillance Study (EURAS) Contraception | — | 2000-11-01 |