Acquiring human immunodeficiency virus during pregnancy and mother-to-child transmission in New York: 2002-2006.

Objective: To assess perinatal human immunodeficiency virus (HIV) exposure and factors associated with mother-to-child HIV transmission.

Methods: A cohort analysis of HIV-exposed births in New York State from 2002 to 2006 was undertaken using routinely collected public health surveillance and regulatory data, including Newborn Screening HIV antibody results, pediatric HIV diagnostic test results, and maternal and pediatric medical record abstractions.

Results: Between January 2002 and December 2006, we identified 3,396 HIV-exposed neonoates.