Abstract
The molecular quality of sperm, especially the presence of microRNAs (miRNAs), is a crucial part of the sperm epigenome. MiRNAs act as post-transcriptional regulators of gene expression and affect transcripts related to cell proliferation, differentiation and apoptosis. The miRNA miR-34c is described and positively related to male fertility, being required in the first cleavage and in the…