Study of Antiretroviral Therapy to Prevent HBV Intrauterine Infection
The Maternal Cellular Immune System and Cytomegalovirus Intrauterine Infection
Probiotics for the Prevention of Premature Birth and Neonatal Related Morbidity
Prevention for Mother-to-infant Transmission of HBV
† Study has passed its completion date and status has not been verified in more than two years.