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: Pediatrics
[{'content': 'Which of the following infection aquired during pregnancy result in hypoplasia of limbs and scarring in the fetus? \nSelect and explain. \nA. Varicella, B. Herpes simplex, C. Rubella, D. Toxoplasma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Women who acquire VZV infection before 20 weeks of gestation have 2% risk of delivering an infant with fetal varicella syndrome. It is unlikely in women who have chickenpox during the last half of pregnancy. Clinical manifestations of congenital varicella syndrome includes: IUGR Growth retardation Limb hypoplasia Chorioretinitis Cataract Microphthalmia Cutaneous scarring Neurological abnormalities (microcephaly, hydrocephalus, horners syndrome, cranial neuropathies)', 'role': 'assistant'}]