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: Gynaecology & Obstetrics
[{'content': 'Highest rate of transmission of toxoplasmosis during pregnancy is seen in: \nSelect and explain. \nA. 1st trimester, B. Ilnd trimester, C. IlIrd trimester, D. Puerperium', 'role': 'user'}, {'content': 'Answer: C \nExplanation: “The incidence and severity of congenital infection depend on fetal age at the time of maternal infection.The risks for fetal infection increases with duration of pregnancy from 6 % at 13 weeks to 72 % at 36 weeks. Conversely the severity of fetal infection is much greater in early pregnancy and fetuses are much more likely to develop clinical findings of infection."\nWilliams Obs. 24/e, p 1255', 'role': 'assistant'}]