Table 1. Summary of literature review data.
Author	Year	Patient sample	Equipment field	Contrast media	Contrast volume	Exam duration	Pain assessment	Analyzed variables (tubes)	Direct tubal visualization	Complications	MR HSG vs xR SG
Wiesner et at.	2001	5	1.5 T	Magnevist (gadopentetic ac. I Gd-OTPA)	15ml	55-70min	Yes	Patency	No	No report	MR Superior
Unterweger et at.	2002	10	1.5 T	Ootarem + Polyvidona	20ml	No report	Yes	Patency	Yes	No report	MR Superior
Sadowski et at.	2008	17	1.5 T	gadodiamide (omniscan) + saline (1:100)	2040ml	60 min	No	Patency	No	No report	NON
Winter et at.	2010	37	1.5 T	Ootarem (gadotericac)+ polyvidone	20ml	aprox 45 min	Yes	Patency	Yes	No report	MR Superior
Cipolla et at.	2015	116	3T	Gadopentetate dimeglumine (multihance) +saline (1:20)	4-5ml	aprox 18 min	Yes	Patency	Yes	No report	MR Superior
Kohan et at.	2017	22	1.5 T	Gd + saline (1:100)	average 26ml	average 49min	Yes	Patency	Yes	2 bleedings	MR Superior
Volondat et at.	2018	40	1.5 T	Ootarem diluted in SF 1:14	up to 8 ml	No report	Yes	Patency	No	4 pain cases	MR Superior