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
Which of the following is not a method of transmission of infection through direct contact? 
Select and explain. 
A. Syringe and needle, B. Kissing, C. Sexual Intercourse, D. Transplacental
D: Transplacental
Answer: D: Transplacental 
Explanation: None