This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of the female genital tract, Subject name: Gynaecology & Obstetrics
[{'content': 'Cervix to uterine body ratio in a prepubeal girl \nSelect and explain. \nA. 1:01, B. 2:01, C. 1:02, D. 3:01', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The pubeal uterus has the adult pear configuration (fundus larger than cervix) (fundus-to-cervix ratio \x01 2/1 to 3/1) (4-8) (Fig 3) and is 5-8cm long, 3 cm wide, and 1.5 cm thick. The endometrial lining is seen and varies with the phases of the menstrual cycle. Overfilling of the bladder can modify the uterine shape', 'role': 'assistant'}]