Our recent systematic review7 synthesized the current literature on hPL in relation to maternal metabolic outcomes in human pregnancy, identifying likely altered hPL dynamics in pregnancies affected by pre‐gestational T1DM, but (on meta‐analysis) identifying no significant differences in hPL levels between women with GDM and controls, either in early or late pregnancy. Here, LGALS1 is linked to type 1 diabetes mellitus.