Research Article

Neonatal Hypoglycemia Related to Glycine Levels in Uncontrolled Gestational Diabetes Mellitus during Mid-Late Pregnancy: Multicenter, Prospective Case-Cohort Observational Study

Table 2

Blood tests on pregnant women and neonates.

All groupsGDMControlP

OGTT (mmol/L)
Fasting blood glucose<0.001
1-hour postprandial blood glucose<0.001
2-hour postprandial blood glucose<0.001
HbA1c (average, %)<0.001
Plasma lipid test (before delivery, mmol/L)
TG4.44 (3.7, 5.19)4.87 (3.86, 5.88)4.39 (3.69, 5.1)<0.001
TC6.27 (5.34, 7.17)6.31 (5.34, 7.23)6.26 (5.34, 7.16)0.437
HDL-C2.05 (1.59, 2.57)2.07 (1.57, 2.56)2.05 (1.6, 2.57)0.640
LDL-C2.98 (2.06, 3.87)2.95 (2.05, 3.93)2.98 (2.06, 3.86)0.694
Cord blood test (μM)
Gly7.53 (1.71, 308.40)15.52 (2.37, 346.09)6.67 (1.63, 298.50)<0.001
Isovalerylcarnitine0.11 (0.08, 0.15)0.12 (0.09, 0.25)0.1 (0.08, 0.14)<0.001
Octenylcarnitine0.07 (0.05, 0.10)0.08 (0.05, 0.14)0.07 (0.05, 0.09)<0.001
Palmitoylcarnitine1.66 (1.05, 2.25)1.52 (0.92, 2.12)1.68 (1.08, 2.28)<0.001
Octadecylcarnitine0.64 (0.47, 0.82)0.68 (0.49, 0.96)0.63 (0.47, 0.80)<0.001
Octadecenoylcarnitine0.9 (0.68, 1.18)0.94 (0.68, 1.26)0.89 (0.68, 1.17)0.001

Data given as the in maternal glucose profiles and as the median (25th, 75th) in others. GDM: gestational diabetes mellitus; HbA1c: glycosylated haemoglobin; OGTT: oral glucose tolerance test; TG: triglyceride; TC: total cholesterol; HDL-C: high-density lipoprotein-cholesterol; LDL-C: low-density lipoprotein-cholesterol; Gly: glycine.