Task: Answer Verification
Input (English): Question: Does catheter type affect the outcome of intrauterine insemination treatment : a prospective randomized study?
Answer: A lower frequency of sperm regurgitation and a higher frequency of difficult introduction was observed when the Gynetics catheter was used. However, there was no significant difference in pregnancy rates with use of either the Gynetics catheter or the Makler cannula.
Output (English): no