Fig. 1From: Comparison of pregnenolone sulfate, pregnanolone and estradiol levels between patients with menstrually-related migraine and controls: an exploratory studyCorrelation between serum levels of pregnenolone sulfate, pregnanolone and estradiol and a) years of migraine in MM group, b) years of age in MM group and c) years of age in control group. NS = not significantBack to article page