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Fig. 4 | BMC Pregnancy and Childbirth

Fig. 4

From: Hemoglobin levels during the first trimester of pregnancy are associated with the risk of gestational diabetes mellitus, pre-eclampsia and preterm birth in Chinese women: a retrospective study

Fig. 4

Smoothed histograms and spline plots displaying ORs and 95% CIs describing the association between hemoglobin during early pregnancy and the risk of GDM, PE, and preterm birth among all participants and the two p-BMI subgroups (a panel for the total population, b panel for women with pre-pregnancy BMI <24kg/m2, c panel for women with pre-pregnancy BMI <24kg/m2

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