The Procedure HyCoSy (hystero-salpingo contrast sonography) is an ultrasound technique developed to assess whether the fallopian tubes are open or blocked. It is usually requested by your doctor as part of an assessment of infertility or prior to treatment of infertility, even if another cause for infertility is known or suspected. This is done by … Continue reading Hysterosalpingo Contrast Sonography (HyCoSy)