<prompt> All of the following statements are true about congenital rubella except -It is diagnosed when the infant has IgM antibodies at bihIt is diagnosed when IgG antibodies persist for more than 6 monthsM.C congenital defects a re deafness, cardiac malformation and cataractInfection after 16 weeks of gestation results in major congenital defects  <response>: if rubella occurs in very early pregnancy the fetus may die. The congenital malformation is commonest during the first trimester 1st 12 wk REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.555 