This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'Amniotic fluid volume in polyhydramnios is more than : \nSelect and explain. \nA. 500ml, B. 1000ml, C. 1500ml, D. 2000ml', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Anatomically, polyhydromnios is defined as a state where liquor amnii exceeds 2000ml clinically,it is excessive accumulation of liquor amnii causing discomfo to the patient and/or when an imaging help is needed to substantiate the clinical diagnosis of the lie and presentation of the fetus. Sonographically it is amniotic fluid index >24cm and single veical pocket >8cm Reference: Dutta Textbook of Obstetrics, 7th edition page 211', 'role': 'assistant'}]