Use of HIV pre-exposure prophylaxis during the preconception, antepartum and postpartum periods at two United States medical centers.

Background: Pregnancy may increase a woman's susceptibility to HIV. Maternal HIV acquisition during pregnancy and lactation is associated with increased perinatal and lactational HIV transmission. There are no published reports of preexposure prophylaxis use after the first trimester of pregnancy or during lactation.

Hepatitis B awareness and knowledge in hepatitis B surface antigen-positive parturient immigrant women from West Africa in the Bronx, New York.

An increasing proportion of foreign-born residents in the Bronx, New York are African immigrants from West Africa, a region with a very high hepatitis B surface antigen (HBsAg) prevalence. Charts of 114 HBsAg positive parturients who gave birth between 2004 and 2008 in a community hospital in the Bronx were retrospectively reviewed. Most were of West-African origin (88%).