Fig. 4

Autoregressive cross-lagged standardized path model of FPG and EPDS. Note: e1, e2, e3 and e4 represent the EPDS scores in the first, second, and third trimesters and postpartum period, respectively; f1, f2, f3 and f4 represent fasting plasma glucose in the first, second, and third trimesters and intrapartum period, respectively; the numbers around the lines represent regression or correlation coefficients; covariates are age and prepregnancy BMI; **p < 0.001, *p < 0.05