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
Which of the following cause apoptotic damage to sperms? 
Select and explain. 
A. Treponema pallidum, B. Chlamydia, C. Clostridium, D. Hemophilus ducreyi
B: Chlamydia
Answer: B: Chlamydia 
Explanation: Apoptotic damage to sperms 

E.coli
Staphylococcus
Chlamydia
Mycoplasma genitalium