A Prospective, Observational Study of HIV-Infected Pregnant Women and Their Infants at Clinical Sites in Latin American and Caribbean Countries

• INCLUSION CRITERIA: (HIV-Infected Pregnant Women)

Documentation of pregnancy, using one or more of the following:

Urine HCG pregnancy test;

Serum HCG pregnancy test;

Positive fetal heart tones by Doppler; or

Ultrasound.

Documentation of HIV infection, defined by any two of the following prior to or during pregnancy:

Reactive test for HIV antibody;

Positive HIV culture;

Positive HIV DNA PCR;

Positive neutralizable HIV p24 antigen;

Positive qualitative HIV RNA;

Quantitative HIV RNA greater than or equal to 1000 copies/ml; and

Diagnosis of AIDS-defining clinical condition.

Willingness and intent to deliver at the participating clinical site and to be followed through six months postpartum at the site or associated outpatient facility.

Willingness and ability to sign informed consent-Subject must be of an age to provide legal informed consent as defined by the country in which the subject resides.

Willingness and intent to have infant followed through six months of age.

Subjects may be co-enrolled in clinical trials for treatment or prophylaxis of HIV infection, opportunistic infections, or other HIV related problems.

Subjects may be re-enrolled with subsequent pregnancies during the study.

Subjects may enroll up to and prior to delivery, including during labor.

EXCLUSION CRITERIA: (HIV-Infected Pregnant Women)

Failure to meet inclusion criteria.