Table 4.
Summary of four-compartment estimates of body composition across pregnancy
| Weeks |
||||||
|---|---|---|---|---|---|---|
| Prepregnancy | 8–14 | 26 | 36–40 | 2–6 Postpartum | ||
| Hopkinson et al.1,48 | ||||||
| n = 56 | Body weight, kg | 60.7 ±9.1 | 74.6 ± 10.1 | 66.3 ± 9.8 | ||
| Houston area | FM, kg | 22.8 ± 7.1 | 22.0 ± 7.3 | |||
| 0.6 mean parity | TBW, kg | 39.3 ± 3.9 | 33.2 ±3.8 | |||
| Multi-ethnic: predominately White | ||||||
| Kopp-Hoolihan et al.2,17 | ||||||
| n = 9 | Body weight, kg | 64.7 ± 7.8 | 64.9 ±8.4 | 72.1 ±9.4 | 75.9 ± 9.6 | 68.0 ± 8.9 |
| San Francisco Bay area | FM, kg | 46.3 ± 6.2 | 46.7 ±6.5 | 49.7 ± 5.8 | 52.8 ± 5.3 | 46.7 ±5.1 |
| Primi/multiparous | FFM, kg | 20.2 ± 4.7 | 20.3 ±4.7 | 24.4 ± 4.4 | 24.3 ± 5.6 | 22.0 ± 4.6 |
| Race/ethnicity not reported | TBW, kg | 33.5 ±4.5 | 33.9 ±4.8 | 36.5 ±4.1 | 39.1 ± 3.9 | 33.8 ±3.7 |
| Lederman et al.3,75 | ||||||
| n = 196 | Body weight, kg | 63.3 ± 12.9 | 65.3 ±12.9 | 76.8 ± 12.6 | ||
| New York area | FM, kg | 21.4 ±9.04 | 24.8 ± 8.58 | |||
| 0.8 mean parity | TBW, l | 32.4 ±4.7 | 39.4 ± 5.15 | |||
| Multi-ethnic: Black, White, Hispanic, and non-Hispanic | ||||||
Abbreviations: FM, fat mass; FFM, fat-free mass; TBW, total body weight. Values reported are mean ± s.d.