Changes in weight and BMI during pregnancy
weight gain
With the change of gestational weeks, we collected the weight gain during pregnancy of two groups of pregnant women, and calculated the changes of BMI (Changes in weight and BMI during pregnancy.BW, body weight; BMI, body mass index; BW 1st, body weight at the beginning of 1st trimester; BW 3rd, body weight at the end of 3rd trimester; BMI 1st, BMI at the beginning of 1st trimester;BMI 3rd, body mass index at the end of 3rd trimester; GWG, gestational weight gain.