Research Article
A Population-Based Study on Gestational Weight Gain according to Body Mass Index in the Southeast of Brazil
Table 3
Pregnancy outcomes according to BMI category of women in southeast of Brazil.
| Gestational outcomes | Total sample | BMI < 18.5 | BMI ≥ 18.5 < 25 | BMI ≥ 25 < 30 | BMI ≥ 30 | value |
| Final weight (kg)—mean SD | | | | | | <0.0001** | C-section rate— (%) | 619 (58.9) | 31 (49.21) | 318 (55.99) | 159 (63.35) | 101 (72.66) | <0.0001* | Gestational age at birth—weeks—mean SD | | | | | | 0.1183** | Prematurity rate <37 weeks— (%) | 58 (5.9) | 4 (6.67) | 30 (5.55) | 9 (3.70) | 10 (8.20) | 0.0498* | Newborn weight (g)—mean SD | | | | | | 0.0003** | Newborn weight (g)— (%) | | | | | | | <2500 | 59 (5.8) | 6 (9.68) | 34 (6.10) | 9 (3.70) | 9 (6.98) | <0.0001* | 2500–3999 | 923 (90.7) | 56 (90.32) | 507 (91.02) | 223 (91.77) | 111 (86.05) | | ≥4000 | 36 (3.5) | — | 16 (2.87) | 11 (4.53) | 9 (6.98) | |
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Chi-square; **Kruskal-Wallis; SD: standard deviation; BMI: body mass index.
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