Fig. 1From: Stratified analysis of the correlation between gestational weight gain and birth weight for gestational age: a retrospective single-center cohort study in JapanFlow diagram of the study population. *, data characteristics are shown in Additional file 3: Table S3; **, results of the data analysis are shown in Fig. 4. BMI, body mass index; BW/GA, birth weight for gestational age; GWG, gestational weight gain.Back to article page