<prompt> Risk of the damage to fetus by maternal rubella is maximum if mother gets infected in:6 - 12 weeks of pregnancy20 - 24 weeks of pregnancy24 - 28 weeks of pregnancy32 - 36 weeks of pregnancy  <response>: Ans. is a i.e., 6 - 12 weeks of pregnancyIn the first trimester, 80 of the infants would be affected, and severity of the disease depends on how early the infection occurs. 