Fig. 1From: The association between newborn cord blood steroids and ambient prenatal exposure to air pollution: findings from the ENVIRONAGE birth cohortPathways of steroid production. Steroids indicated in blue are investigated in this study. 17α-hydroxypregnenolone is indicated as 17-OH-pregnenolone; 17 α-hydroxyprogesterone is indicated as 17-OH-progesterone. The concentration of the steroids in cord blood reflects the production and metabolism in the mother, the placenta and the newborn it-selfBack to article page