Women today can choose from a wide range of effective and safe contraceptives and yet satisfaction with existing methods varies. Many women change methods for a variety of reasons, sometimes including concerns about side effects. Researchers continue the quest for a product that offers the optimal combination of efficacy, safety, convenience and quality of life. The Health Decisions clinical operations and biostatistical teams understand the challenges involved in all types of contraception studies. Our experience includes designing, managing and/or monitoring clinical studies of all types of contraceptive drugs, devices and drug/device combinations. This includes oral contraceptives, intrauterine devices and systems, vaginal rings, transdermal patches, injections, gels, creams and barrier devices. We have conducted small postcoital studies evaluating device safety, fit and acceptability; studies evaluating products for short-term episodic use like emergency contraceptives and male and female condoms; and, multiyear studies evaluating long-acting reversible contraceptives (LARCs). We have also conducted ten studies of investigational male hormonal contraceptives. The Health Decisions network includes sites with experience in all types of contraceptive trials.