This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital malformations, Subject name: Gynaecology & Obstetrics
[{'content': 'Gold standard investigation for septate uterus is \nSelect and explain. \nA. HSG, B. Hysteroscopy, C. MRI, D. USG', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Septate uterus: Defined as uterus with normal outline and an internal indentation at the fundal midline Can be of two types- paial and complete Combined hysteroscopy and laproscopy help to differentiate between bicornuate uterus and septate uterus Ref: Shaw Gynecology 17 e pg 72.', 'role': 'assistant'}]