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': 'To diagnose uterus didelphys, procedure of choice is: \nSelect and explain. \nA. Laparoscopy, B. IVP, C. HSG, D. USG', 'role': 'user'}, {'content': 'Answer: D \nExplanation: IOC for uterine anomalies = MRI or 3D USG\nGold standard is = Laparoscopy\n“Today, vaginal USG, especially three dimensional ultrasound, sonohysterography and MRI are highly accurate. HSG alone can yield inaccurate result due to failure to perfuse both uterine horns on either side of a midline division and cannot reliably distinguish between bicornuate and septate uterus”', 'role': 'assistant'}]