This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormality of Puerperium, Subject name: Gynaecology & Obstetrics
In puerperial period sepsis is M/C due to.. 
Select and explain. 
A. Uterine infection, B. Ovarian infection, C. Vaginal infection, D. All of the above
A: Uterine infection
Answer: A: Uterine infection 
Explanation: Ans. is 'a' i.e., Uterine infection {Ref: Dutta's Obs 7th/e p. 432]Puerperal sepsiso An infection of genital tract as a complication of delivery is termed puerperal sepsis.o Puerperal sepsis is commonly due toI. EndometritisII EndomyometritisIII. Endopvometritiso Combination of all these is called pelvic cellulitis