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Context: It is not established whether the condom is as effective at preventing heterosexual transmission of HIV as it is for preventing conception. An overall estimate of condom effectiveness for HIV...
Context: Teenagers are exposed to two potentially conflicting sexual health messages, one emphasizing the prevention of sexually transmitted diseases (STDs) and the other stressing pregnancy preventio...
Data from a street survey conducted among 717 women aged 17-35 in two inner-city Baltimore communities in 1991-1992 indicate that 17% of the entire sample, 38% of women using the pill and 11% of users...

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