HSD11B1 and gestational diabetes: From the five PPRs that may reflect the HSD11B1 activity, the 7β-hydroxy-DHEA/7-oxo-DHEA ratio was significantly lower in the GDM+ group, 3 PPRs (7-oxo-DHEA/7α-hydroxy-DHEA, 5-androstene-3β,7β,17β-triol/5-androstene-3β,7α,17β-triol, 7β-hydroxy-DHEA/7α-hydroxy-DHEA) did not differ between the groups.