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
To diagnose uterus didelphys, procedure of choice is: 
Select and explain. 
A. Laparoscopy, B. IVP, C. HSG, D. USG
D: USG
Answer: D: USG 
Explanation: IOC for uterine anomalies = MRI or 3D USG
Gold standard is = Laparoscopy
“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”