Fig. 3From: Cell-free mitochondrial DNA in human follicular fluid: a promising bio-marker of blastocyst developmental potential in women undergoing assisted reproductive technologyEffect of patient age combined with AMH or FSH on the relative cf-mtDNA content (cf-ND1/cf-β-globin ratio) in human follicular fluid. *P < 0.05, **P < 0.01Back to article page