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
Pregnant women in 1st trimester is given spiramycin that she does not stick to. Baby born with hydrocephalus infection was by: 
Select and explain. 
A. HSV, B. Treponema pallidum, C. Toxoplasma, D. CMV
C: Toxoplasma
Answer: C: Toxoplasma 
Explanation: In the question- patient had mild cervical lymphadenopathy for which she was prescribed spiramycin. But the patient was noncompliant and the baby was born with hydrocephalous and intracranial calcification, which are manifestations of congenital toxoplasmosis.