Maternal fetal transmission of Trypanosoma cruzi: A problem of public health little studied in Mexico

► The seroprevalence of Trypanosoma cruzi in pregnant women was analyzed in two states of Mexico. ► The rates and consequences of maternal-fetal transmission were determined by serology. ► Is necessary to determine the risk factors associated with vertical transmission of T. cruzi. ► The treatment should be administrated immediately after the diagnostic.