This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
[{'content': 'A newborn has hydrocephalus, chorioretinitis, intracranial calcifications, and anemia. For the mentioned clinical scenario, select the most likely diagnosis \nSelect and explain. \nA. Congenital toxoplasmosis, B. Congenital syphilis, C. Congenital rubella, D. Congenital CMV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Toxoplasmosis can cause symptoms similar to other congenital infections, but the combination of hydrocephalus, chorioretinitis, and intracranial calcifications is considered the "classic triad" of toxoplasma infection in a neonate. Infection usually occurs during primary infection of the mother or as a reactivation of infection in an immune-compromised host. These infants may also display symptoms similar to other congenital infections, such as anemia, a petechial rash, organomegaly, jaundice, and seizures.', 'role': 'assistant'}]