Evaluation of oral progestogens for contraception in Indian women. A four-year study.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral; D005040:Ethynodiol Diacetate; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007194:India; D007434:Intrauterine Devices; D008656:Mestranol; D008875:Middle Aged; D009640:Norethindrone; D009641:Norethynodrel; D011372:Progestins; D012959:Socioeconomic Factors
D003276:Contraceptives, Oral; D011372:Progestins; D005040:Ethynodiol Diacetate; D009641:Norethynodrel; D008656:Mestranol; D009640:Norethindrone