Technical Tips and Tricks after 10 Years of HyFoSy for Tubal Patency Testing.

HyFoSy represents a useful, easy to use, and painless tool in female infertility evaluation and should be considered as a complementary method of the transvaginal ultrasonography, completing the genital tract imaging with information about the hidden part of the standard examination: tubal patency. HyFoSy provides information about patency, caliber regularity, pathway, and occlusion location of the fallopian tubes; therefore, it should be introduced along with transvaginal ultrasound as a first-line infertility exploration method.