International data.
Allen
Susan
S
Emory University, Atlanta, GA, USA.
D015331:Cohort Studies; D003267:Contraception / Q000706:statistics & numerical data; D005260:Female; D015658:HIV Infections / Q000150:complications / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology / Q000517:prevention & control; D011446:Prospective Studies; D012307:Risk Factors; D012432:Rwanda / Q000453:epidemiology; D015024:Zambia / Q000453:epidemiology