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In contrast , the low reproductive fitness of individuals with congenital DM ( the endpoint of genetic anticipation in myotonic dystrophy ) suggests a higher rate of new mutations .
 DM, myotonic dystrophy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 DM, myotonic dystrophy