This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Risk of the damage of fetus by maternal rubella is maximum if mother gets infected in \nSelect and explain. \nA. 20-24 weeks of pregnancy, B. 24-28 weeks of pregnancy, C. 32-36 weeks of pregnancy, D. 6-12 weeks of pregnancy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Congenital Rubella Syndrome (CRS):\n\nCRS is said to have occurred if:\n\n– Infant has IgM rubella antibodies shortly after birth, or\n– IgG antibodies persist for more than 6 months\n\nMajor determinant of extent of fetal infection in CRS: Gestational age at which fetal transmission occurs,\n\n– Infection in I trimester: MOST DISASTROUS TIME\n1. Abortions\n2. Still births\n3. Skin lesions: blueberry muffin lesions\n4. ‘Triad of Congenital Rubella Syndrome’\ni. Sensorineural deafness\nii. Congenital heart defects (MC is PDA)\niii. Cataracts\n– Infection in early part of II Trimester: Deafness (only)\n– Infection after 16 weeks POG: No major abnormalities\nRisk of fetal damage in CRS:', 'role': 'assistant'}]