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 STDs cause fetal abnormality- \nSelect and explain. \nA. Herpes, B. Hepatitis, C. Gonococci, D. Syphilis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Syphilis Congenital syphilis o Transmission of T pallidum across the placenta may occur at any stage of pregnancy, but the lesions of congenital syphilis generally have their onset after the fouh month of gestation. o Early maternal syphilis has more chances of transmission (75-90%) than late maternal syphilis. o Adequate treatment of mother before 16th week of pregnancy prevents fetal damage. o Effects of maternal syphilis on pregnancy are : Still bih > aboion Neonatal death Prematurity Non fatal congenital syphilis.", 'role': 'assistant'}]