<prompt> All of the following statements about congenital rubella are true exceptIgG persists for more than 6 monthsIgM antibody present at bihMost common anomalies are hearing and hea defectsIncreased risk of congenital malformation if infection occur after 16 weeks.  <response>: The classical triad of symptoms consists of deafness , cataract and congenital hea disease . Delayed manifestations such as diabetes mellitus and renal disease have also been described . Diagnosis is by demonstrating Ig M antibodies in cord or neonatal blood or ig G after 6 months . Reference : GHAI essential paediatrics 9 th edition pg : 264 