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Percentage of completely unmethylated alleles in 188 sperm samples. Blue dots indicate 103 samples resulting in an IVF/ICSI pregnancy, red dots indicate 85 samples without pregnancy. The five sperm samples with the highest mean methylation values (13.5%, 16%, 11%, 11.5%, and 22%) were endowed with 27%, 33%, 39%, 40%, and 41% of completely unmethylated alleles.
