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: Unknown
[{'content': 'The most common site of puerperal infection is: \nSelect and explain. \nA. Placental site, B. Cervical laceration, C. Episiotomy wound, D. Vaginal laceration', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Placental siteRef. Dutta's Obstetrics, 7th ed. 1433PUERPERAL SEPSIS* An infection of the genital tract which occurs as a complication of delivery is termed puerperal sepsis.* Sources of infection may be endogenous where organisms are present in the genital tract before delivery.Mode of infection* Puerperal sepsis is generally a wound infection.* Placental site being a raw surface in the endometrium is the most common site for infection.* Other causes of puerperal sepsis may be laceration of the genital tract or may be CS section wound infection by organisms like anaerobic strep, E. Coli, staph etc.* Anaerobic streptococcus is the most common cause of Puerperal sepsis.* The primary sites of infections are: Uterus, Perineum, Vagina, Cervix.", 'role': 'assistant'}]