| Grain | Meat | Fish | Eggs | Milk | Beans | Green and yellow vegetables | Light-colored vegetables | Fruit | Oil | Sugar | Mean ± SD | |||
| Early pregnancy | Obesity | Mean | 1.0 | 0.9 | 1.5 | 1.1 | 0.4 | 0.8 | 0.8 | 0.7 | 0.5 | 1.2 | 2.0 | 1.0 |
| n = 19 | SD | 0.5 | 0.5 | 1.0 | 1.0 | 0.4 | 0.5 | 0.4 | 0.2 | 0.5 | 0.6 | 1.2 | 0.4 | |
| Non-obesity | Mean | 1.1 | 1.0 | 1.6 | 1.2 | 0.8 | 1.0 | 0.8 | 0.8 | 0.5 | 1.3 | 2.8 | 1.2 | |
| n = 102 | SD | 0.4 | 0.5 | 1.1 | 0.6 | 0.5 | 0.7 | 0.4 | 0.3 | 0.5 | 0.6 | 1.4 | 0.4 | |
| NS | NS | NS | NS | *** | NS | NS | NS | NS | NS | * | * | |||
| Mid- pregnancy | Obesity | Mean | 1.0 | 0.8 | 1.5 | 1.1 | 0.6 | 1.3 | 0.9 | 0.9 | 0.7 | 1.3 | 2.6 | 1.2 |
| n = 19 | SD | 0.4 | 0.3 | 1.3 | 0.5 | 0.3 | 1.0 | 0.3 | 0.3 | 0.7 | 0.5 | 1.2 | 0.6 | |
| Non-obesity | Mean | 1.2 | 1.1 | 1.6 | 1.1 | 0.9 | 1.1 | 0.9 | 0.9 | 0.8 | 1.5 | 3.0 | 1.3 | |
| n = 82 | SD | 0.4 | 0.5 | 0.9 | 0.5 | 0.6 | 0.7 | 0.4 | 0.6 | 0.6 | 0.5 | 1.3 | 0.6 | |
| * | ** | NS | NS | *** | NS | NS | NS | NS | * | * | NS | |||
| Late pregnancy | Obesity | Mean | 1.1 | 1.1 | 1.3 | 1.2 | 0.6 | 1.0 | 1.0 | 1.0 | 0.6 | 1.3 | 2.9 | 1.2 |
| n = 15 | SD | 0.4 | 0.3 | 0.8 | 0.5 | 0.3 | 0.5 | 0.4 | 0.3 | 0.5 | 0.4 | 0.9 | 0.3 | |
| Non-obesity | Mean | 1.2 | 1.1 | 1.5 | 1.2 | 1.0 | 1.2 | 0.9 | 0.8 | 0.8 | 1.5 | 3.1 | 1.3 | |
| n = 78 | SD | 0.4 | 0.4 | 0.9 | 0.6 | 0.5 | 0.7 | 0.4 | 0.3 | 0.6 | 0.5 | 1.3 | 0.6 | |
| NS | NS | NS | NS | * | NS | NS | NS | NS | NS | NS | NS |