Contraception by means of a silastic vaginal ring impregnated with medroxyprogesterone acetate.
D000328:Adult; D003273:Contraceptive Devices; D005260:Female; D006801:Humans; D008525:Medroxyprogesterone / Q000008:administration & dosage*; D012828:Silicones; D014621:Vagina
D012828:Silicones; D008525:Medroxyprogesterone