title: Contracap makes crucial changes for expanded trials.
mesh_terms: D000569:Americas; D003267:Contraception; D003274:Contraceptive Devices, Female; D019049:Developed Countries; D003906:Developing Countries; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D009656:North America; D012106:Research; D014481:United States
keywords: Americas; Barrier Methods; Cervical Cap; Clinical Research; Contraception; Contraceptive Effectiveness; Contraceptive Methods; Developed Countries; Developing Countries; Evaluation; Family Planning; North America; Northern America; Research Methodology; United States; Use-effectiveness; Vaginal Barrier Methods