Fig. 2From: Comparison of pregnenolone sulfate, pregnanolone and estradiol levels between patients with menstrually-related migraine and controls: an exploratory studyNeurosteroids in menstrually-related migraine (MM): altered serum levels in the analyzed samples and possible pathophysiological role. Serum levels of estradiol, progesterone and testosterone were similar between MM and control groups in our studies (samples collected in follicular phase). CNS: central nervous system; PREG-S: pregnenolone sulfate; AP: allopregnanolone; PREG: pregnanolone. Image credit: https://www.shutterstock.comBack to article page