Accuracy of Hystro-Salpingo-Foam-Sonography (HYFOSY) as Tubal Patency Test in Comparison to Laparoscopy in Infertile Patients

antibiotic prophylaxis oral azithromycin 500 mg per day 3 days the patient lie in dorsal lithotomy cervix visualized by Cusco speculum, cleaned with betadine 7% 6-Fr pediatric Foley's balloon catheter will be introduced into the cervical canal inflated with 2 ml of saline to prevent backflow of contrast through the cervix TV-US probe will be introduced,The foam will be created by mixing 3-4ml of 2% rialocaine gel (lidocaine hydrochloride 2%, Riadh Pharma,Saudi Arabia) with 16-17 ml of saline shaking the mixture between two syringes until a whitish suspension 20ml of lidocaine foam infused into uterine cavity observing the flow in each fallopian tube using greyscale and power Doppler (PD) 2D ultrasound Foam flow over the whole length of the tube fimbrial outflow, or peritoneal spillage of contrast provided evidence of tubal patency Patients observed for15-30 min for any complication or increase in pain Comparison between results and that of laparoscopy in operative list