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D000569:Americas; D001695:Biology; D003267:Contraception; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D019049:Developed Countries; D004194:Disease; D004703:Endocrine System; D016889:Endometrial Neoplasms; D004967:Estrogens; D005193:Family Planning Services; D006728:Hormones; D009369:Neoplasms; D009656:North America; D010051:Ovarian Neoplasms; D010827:Physiology; D011374:Progesterone; D011372:Progestins; D014481:United States
D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D004967:Estrogens; D006728:Hormones; D011372:Progestins; D011374:Progesterone
Americas; Biology; Cancer; Contraception; Contraceptive Methods--beneficial effects; Developed Countries; Diseases; Endocrine System; Endometrial Cancer; Estrogens; Family Planning; Hormones; Neoplasms; North America; Northern America; Oral Contraceptives, Combined--beneficial effects; Oral Contraceptives--beneficial effects; Ovarian Cancer; Physiology; Progestational Hormones; Progesterone; United States