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
[{'content': 'Reabsorption of uterine septum in a fetus occurs by how many weeks of gestation normally \nSelect and explain. \nA. 20, B. 22, C. 24, D. 28', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Uterine Septum resorption occurs by 20 weeks of gestation.', 'role': 'assistant'}]