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: Social & Preventive Medicine
All of the following are the mode of transmission of leprosy except? 
Select and explain. 
A. Breast milk, B. Insect bite, C. Transplacental spread, D. Droplet infection
C: Transplacental spread
Answer: C: Transplacental spread 
Explanation: Transplacental spread