Table 1. Clinical characteristics of the maternal population studied.
| Characteristic | First trimester | Second trimester | Third trimester | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | (Min-Max) | Mean | SD | (Min-Max) | Mean | SD | (Min-Max) | |
| Age (years) | 27.14 | ± 6.55 | (14-45) | 26.79 | ± 6.72 | (14-45) | 26.97 | ± 6.79 | (13-45) |
| Weight (kg) | 72.41 | ± 16.58 | (40.0-141.7) | 71.89 | ± 17.27 | (40-148) | 73.81 | ± 16.80 | (40-148) |
| Height (m) | 161.79 | ± 6.75 | (106-180) | 161.88 | ± 6.52 | (145-180) | 161.57 | ± 6.79 | (106-180) |
| BMI (kg/m2) | 27.75 | ± 6.32 | (15.6-89.0) | 27.48 | ± 6.32 | (15.6-55.7) | 28.55 | ± 6.98 | (17.1-96.3) |
| Number of pregnancies | 3.26 | ± 1.26 | (2-8) | 3.53 | ± 1.67 | (2-11) | 3.41 | ± 1.57 | (2-11) |
| Parity | 0.97 | ± 1.08 | (0-5) | 1.12 | ± 1.17 | (0-5) | 1.14 | ± 1.23 | (0-6) |
| Number of abortions | 1.34 | ± 0.75 | (0.6) | 1.38 | ± 0.96 | (0-6) | 1.25 | ± 0.79 | (0-6) |
| Newborn weight (g) | 3,035.88 | ± 550.7 | (820-4,044) | 3,081.57 | ± 578 | (820-4,525) | 3, 016.6 | ± 609.1 | (1,410-4,525) |
SD = standard deviation; Min-Max = minimum-maximum; BMI = body mass index.