title: Norplant entered Canada through the back door.
mesh_terms: D000293:Adolescent; D001741:Black or African American; D000367:Age Factors; D000569:Americas; D002170:Canada; D003267:Contraception; D003268:Contraception Behavior; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003469:Culture; D003710:Demography; D019049:Developed Countries; D006233:Persons with Disabilities; D004194:Disease; D004467:Economics; D005006:Ethnicity; D005193:Family Planning Services; D015658:HIV Infections; D006287:Health Planning Guidelines; D007239:Infections; D007258:Informed Consent; D016912:Levonorgestrel; D009656:North America; D010342:Patient Acceptance of Health Care; D011057:Politics; D011153:Population; D011154:Population Characteristics; D011203:Poverty; D011639:Public Opinion; D012749:Sexually Transmitted Diseases; D012923:Social Class; D012959:Socioeconomic Factors; D014777:Virus Diseases; D014930:Women
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D016912:Levonorgestrel
keywords: Adolescents; Adolescents, Female; Age Factors; Americas; Blacks--women; Canada; Contraception; Contraception Continuation; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants; Contraceptive Methods; Contraceptive Usage; Cultural Background; Culture; Demographic Factors; Developed Countries; Diseases; Economic Factors; Ethnic Groups--women; Family Planning; Handicapped--women; Hiv Infections--prevention and control; Infections; Informed Consent; Interest Groups; Levonorgestrel; Low Income Population--women; Method Acceptability; North America; Northern America; Political Factors; Population; Population Characteristics; Recommendations; Reproductive Tract Infections; Sexually Transmitted Diseases--prevention and control; Social Class; Socioeconomic Factors; Socioeconomic Status; Viral Diseases; Women's Groups; Youth