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Weight gain during pregnancy varies from person-to-person. Average weight gain for women is between 25 to 35 pounds, although slight deviations from this may also be
considered normal.
| Baby |
7.5 pounds |
Maternal energy stores
(fat, protein, and other nutrients) |
7 pounds |
| Fluid volume |
4 pounds |
| Breast enlargement |
2 pounds |
| Uterus |
2 pounds |
| Amniotic fluid |
2 pounds |
| Placenta |
1.5 pounds |
| First trimester (0 to 12 weeks) |
3 to 4 pounds |
| Second trimester (13 to 28 weeks) |
12 to 14 pounds |
| Third trimester (29 to 40 weeks) |
8 to 10 pounds |
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