Ultrasound-guided fallopian tube catheterization per vaginum: a feasibility study with the use of laparoscopic control
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The fallopian tube can be cannulated per vaginum under ultrasound control. The sensation and ultrasound appearance of smooth passage without visible kinking are accurate predictors of success. The average time taken for each cannulation was 7.2 minutes. Adequate practice in non treatment cycles is essential before proceeding to cell transfer, while further modification of the catheters used may improve overall success.
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