Contraceptive use: the US perspective.
Burnhill
M S
MS
Medical Affairs, Planned Parenthood Federation of America Inc., New York, New York, USA.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003267:Contraception / Q000706:statistics & numerical data* / Q000639:trends; D003268:Contraception Behavior / Q000706:statistics & numerical data* / Q000639:trends; D005260:Female; D005544:Forecasting; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008875:Middle Aged; D011158:Population Growth; D011247:Pregnancy / Q000706:statistics & numerical data; D014481:United States / Q000453:epidemiology; D014930:Women / Q000193:education / Q000523:psychology*