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': 'A woman in second trimester was found to have over distended uterus. Common causes include: \nSelect and explain. \nA. Wrong date, B. Hydramnios, C. Distended bladder and Twins both, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is a, b, c and d i.e. Wrong date; Hydramnios; Distended bladder; Twins; and Fibromyoma In women with a uterus that appears large for gestational age, the following possiblities are considered: Multiple fetuses Elevation of the uterus by a distended bladder Inaccurate menstrual history Hydramnios Hydatidiform mole Uterine myomas A closely attached adnexal mass Fetal macrosomia (late in pregnancy).', 'role': 'assistant'}]