title: [The biological effects of oral contraceptives].
authors.forename: H
authors.initials: H
authors.lastname: Okada
authors.forename: H
authors.initials: H
authors.lastname: Honjo
mesh_terms: D001208:Asia; D003257:Consumer Product Safety; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D019049:Developed Countries; D004194:Disease; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005202:Asia, Eastern; D007564:Japan; D007878:Legislation as Topic; D016912:Levonorgestrel; D008004:Licensure; D018570:Risk Assessment; D012816:Signs and Symptoms
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D016912:Levonorgestrel
keywords: Asia; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Methods--administraction and dosage; Developed Countries; Diseases; Eastern Asia; Evaluation; Family Planning; Gestodene; Japan; Legislation; Levonorgestrel; Licensing; Norgestimate; Oral Contraceptives, Combined; Oral Contraceptives, Phasic; Oral Contraceptives--administraction and dosage; Product Approval; Risk Assessment; Signs And Symptoms