Figure 2From: A common polymorphic allele of the LH beta-subunit gene is associated with higher exogenous FSH consumption during controlled ovarian stimulation for assisted reproductive technologyPopulation stratified according by quartiles of cumulative r-hFSH dose. 1st quartile; 2nd quartile; 3rd quartile; 4th quartile. r-hFSH: recombinant human follicle-stimulating hormone; LH luteinizing hormone; v-betaLH: variant beta subunit luteinizing hormone.Back to article page