The Pennsylvania health department issued a warning to doctors Monday about an increase in measles cases during pregnancy, along with rising concern about congenital measles, a disease rarely seen in the U.S.  The department’s alert said congenital measles — a measles infection in a newborn contracted from the mother — was identified “for the first…

The Pennsylvania health department issued a warning to doctors Monday about an increase in measles cases during pregnancy, along with rising concern about congenital measles, a disease rarely seen in the U.S.  The department’s alert said congenital measles — a measles infection in a newborn contracted from the mother — was identified “for the first…