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
Saline infusion sonography is also called? 
Select and explain. 
A. Sonohysterography, B. Sonosalpingography, C. Hysterosalpingography, D. None of the above
A: Sonohysterography
Answer: A: Sonohysterography 
Explanation: Ans. is 'a' i.e.,SonohysterographySaline Infusion SonographyIt is also called Sonohysteorgraphy.In this procedure sterile saline is instilled into the uterine cavity before ultrasound evaluation for more precise visualization of the endometrial structures.It is often used as second step in the evaluation of abnormal uterine bleeding.It is paicularly useful when ultrasonography suggests a focal lesion, when endometrial biopsy is nondiagnostic, or when abnormal bleeding persists despite normal initial work up.