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: Microbiology
[{'content': 'Congenital toxoplasmosis, all are true, except \nSelect and explain. \nA. Occurs in primarily infected mother during pregnancy, B. As gestational age increase, risk of transmission to fetus increases, C. Infant is usually asymptomatic, if infection is transmitted in 3rd trimester., D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Congenital toxoplasmosis is a disease that occurs in fetuses infected with Toxoplasma gondii, a protozoan parasite, which is transmitted from mother to fetus.\xa0\nIt can cause miscarriage or stillbirth.\xa0\nIt can also cause serious and progressive visual, hearing, motor, cognitive, and other problems in a child.\xa0\nMost infected infants appear healthy at birth.\nThey often do not develop symptoms until months, years, or even decades later in life.\nInfants with severe congenital toxoplasmosis usually have symptoms at birth or develop symptoms within the first six months of life.\n\nSymptoms may include:\nPremature birth — as many as half of infants with congenital toxoplasmosis are born prematurely, abnormally low birth weight, eye damage, jaundice, yellowing of the skin and whites of the eyes, diarrhea, vomiting, anemia, difficulty feeding, swollen lymph nodes, enlarged liver and spleen, macrocephaly, an abnormally large head, microcephaly, an abnormally small head, skin rash, vision problems, hearing loss, motor and developmental delays, hydrocephalus, a buildup of fluid in the skull, intracranial calcifications, evidence of areas of damage to the brain caused by the parasites, seizures, mild to severe mental retardation.\nRef : https://www.healthline.com/health/congenital-toxoplasmosis#risks', 'role': 'assistant'}]