In this video, Dr. Kaberi Banerjee, Medical Director, Advanced Fertility & Gynecology Center, New Delhi, will explain about sonohysterogram in infertility. Sonohysterogram is a way of checking tubal patency with the help of an ultrasound. The routine test HSG is done with X-ray in radiological center. Sonohysterogram can be done with a gynecologist who is good in transvaginal ultrasound. It is little less painful than HSG but the gynecologist should be trained efficiently to give accurate results.