Unprotected sex during pregnancy may increase HIV transmission to babies.
Vazquez
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D003075:Coitus; D017280:Condoms / Q000706:statistics & numerical data*; D005260:Female; D015658:HIV Infections / Q000635:transmission*; D006801:Humans; D007231:Infant, Newborn; D018445:Infectious Disease Transmission, Vertical / Q000517:prevention & control / Q000706:statistics & numerical data*; D009519:New York City; D011247:Pregnancy; D012725:Sexual Behavior / Q000706:statistics & numerical data*