| ATM | adipose tissue mass |
| BCM | body cell mass |
| BMI0 | pre-pregnancy body mass index |
| BMId | pre-delivery body mass index |
| BMIp | body mass index on postpartum day 2 |
| BMI7m | body mass index at seven months postpartum |
| ΔBMId | change in BMI from pre-pregnancy to delivery |
| ΔBMIp | change in BMI from pre-pregnancy to postpartum day 2 |
| ΔBMI7m | change in BMI from pre-pregnancy to seven months postpartum |
| ΔOH | change in overhydration index (day 3 minus day 2) |
| E/I | extracellular-to-intracellular water ratio |
| ECW | extracellular water |
| FM | fat mass |
| FTI | fat tissue index |
| ICW | intracellular water |
| LTI | lean tissue index |
| LTM | lean tissue mass |
| PLBI | postpartum longitudinal body index |
| sPLBI | simplified postpartum longitudinal body index |
| TBW | total body water |
| WHR | waist-to-hip ratio |