<prompt> In which of the following periods the fetus is most likely to be affected if the mother has varicella zoster infection?8-14 weeks14-28 weeks28-32 weeks32-37 weeks  <response>: Transmission of chickenpox is maximum between 13 - 20 weeks peripaum period In women with chicken pox during the first half of pregnancy, the fetus may develop congenital varicella syndrome. 