[The condom as number 1 birth control method].
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D000293:Adolescent; D017280:Condoms / Q000706:statistics & numerical data*; D003431:Cross-Cultural Comparison; D005260:Female; D015658:HIV Infections / Q000517:prevention & control*; D007722:Health Knowledge, Attitudes, Practice; D006306:Health Surveys; D006801:Humans; D008297:Male; D021841:Safe Sex / Q000706:statistics & numerical data