3-5 hrs) Prolonged preoperative hospitalization Operative inexperience * Lower socioeconomic status * Poor nutrition * Excessive devitalized tissue * Diabetes mellitus * Failure to use prophylactic anitbiotics * Surgery in an infected operative site. Young age/old age (Williams Gynae 1/e, p 77) From the table it is clear : Radical surgery which is carried out for carcinoma endometrium and carcinoma cervix carries risk for postoperative infection. (Option "c") As far as age is concerned : Telinde operative gynaecology 9/e. p 196 says: "Young age has been considered a risk factor for vaginal posthysterectomy infection, although the exact reason is unclear." And table in Williams Gynae lie. p 77 gives old age as a risk factors for abdominal hysterectomy and young age as a risk factor for vaginal hysterectomy. This leaves us with option 'b' i.e. use of blood transfusion. Though theoretically by blood transfusion risk of infection with - HIV. hepatitis B/C, G etc is high but practically the technique by which blood is prepared there is minimal risk .">