Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

Question: Is the reproductive outcome of female patients with myotonic dystrophy type 1 ( DM1 ) undergoing PGD affected by the size of the expanded CTG repeat tract?
Answer: There is no evidence of an effect of trinucleotide repeat length on reproductive outcome in patients undergoing ICSI and PGD.
no