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
The following age group is most severely affected by Rubella infection - 
Select and explain. 
A. Females aged 25 -- 35 Year, B. Young girls, C. Adolescent girls, D. Unborn child
D: Unborn child
Answer: D: Unborn child 
Explanation: Ans. is 'd' i.e., Unborn child