GPT and gestational diabetes: Take an example of nomogram usage (a participant was randomly selected from the extended population): 30 years old, no history of GDM, pre-pregnant BMI of 29 kg/m2, HCT of 36%, MPV of 10.1 fL, ALT of 15 U/L, creatinine of 39.9 μmol/L, FBG of 4.4 mmol/L, APTT of 31.5 s, FIB of 4.55 mg/dL, and PAPP-A of 1.250 MoM.