[Latent AIDS in young children of mothers who were HIV-negative in the first trimester of pregnancy].

The authors describe two cases of infants admitted to our Unit with respiratory failure caused by a Pneumocystis Carinii pneumonia (PCP). Because their mothers were HIV negative in the first three months of pregnancy. HIV infection was not suspected and the diagnosis was only made after the PCP. Based on these examples we discuss the importance of detecting HIV infection during pregnancy.