Fig. 2

Different types of fallopian tubes on 4D-HyCoSy. a. The tubes were patent, and the passage of the tube was soft and naturally. b. The left tube was poor patency, and the entire fallopian tube was stiff, angled, circuitous and directed upward. c. Both fallopian tubes were obstructed, we could not see the entire passage of the tubes or the spillage at the fimbria of the tube