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: Pathology
[{'content': 'Example of physiological atrophy is \nSelect and explain. \nA. Senile atrophy, B. Disuse atrophy, C. Post pregnancy uterine atrophy, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. Post pregnancy uterine atrophyAtrophy is reduced size of an organ or tissue resulting from a decrease in cell size and number.Atrophy may be1. Physiologicalatrophy of notochord and thyroglossal duct during fetal developmentDecrease in uterus size after delivery2. Pathological', 'role': 'assistant'}]