NUCB2 and gestational diabetes: The authors found that in the serum of lactating women, for both analyzed groups, namely non-GDM and GDM, the nesfatin-1 levels during the colostral period were 0.9 ± 0.4 ng/mL and 0.7 ± 0.2 ng/mL and were lower than at the second week of lactation: 1.1 ± 0.3 ng/mL and 0.9 ± 0.2 ng/mL, respectively [140].