Gynaecology & Obstetrics Regarding saline infusion sonography, all are true except A Best performed within first 10 days of menstrual cycle. B Timing of procedure is cycle dependent in all women C SIS in initial days of cycle, precludes disturbing a potential pregnancy D SIS is optimally done on cycle days, 4,5 or 6 because the lining is thinnest 💡 Explanation Regarding saline infusion sonography, all are true except ✓ Correct Answer: B. Timing of procedure is cycle dependent in all women