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. 2022 Mar 25;13:815390. doi: 10.3389/fendo.2022.815390

Figure 2.

Figure 2

Overview of the definitions of terms. (the reference 43, Tano S et al. Sci Rep,11(1), 22519,2021, Springer Nature). We defined inter-pregnancy BMI change (ΔBMI) as a pre-pregnancy BMI change between the index pregnancy and the subsequent pregnancy. The pregnancy interval was defined as the interval from the EDD of the index pregnancy to that of the subsequent pregnancy, which is equal to the interval between the two gestations. The annual BMI change was calculated as follows: ΔBMI/pregnancy interval. BMI, body mass index; 0w0d, 00/7 weeks of gestation; 40w0d, 400/7 weeks of gestation; EDD, expected date of delivery.