Table 2.
Birth outcomes | Mean ± SD or n (%) | Minimum | 25th %tile | Median | 75th %tile | Maximum |
---|---|---|---|---|---|---|
Sex | ||||||
Female | 119 (50.6%) | - | - | - | - | - |
Male | 116 (49.4%) | - | - | - | - | - |
2nd sex ratio | 0.97 ± 0.01 | - | - | - | - | - |
Gestation | ||||||
Gestational age at delivery (weeks) | 36.66 ± 2.21 | 22 | 36 | 37 | 38 | 42 |
Preterm delivery a | 23 (11.3%) | - | - | - | - | - |
Delivery by medical intervention | 151 (65.9%) | - | - | - | - | - |
Birth size | ||||||
Weight (grams) | 3,382.31 ± 487.52 | 2,012.81 | 3,061.75 | 3,387.77 | 3,713.78 | 5,017.86 |
Low birth weight | 10 (4.3%) | - | - | - | - | - |
Length (cm) | 50.51 ± 2.73 | 43.18 | 48.26 | 50.8 | 53.34 | 55.88 |
Head circumference (cm) | 34.80 ± 2.16 | 27.94 | 33.02 | 35.56 | 35.56 | 48.26 |
Ponderal index | 2.62 ± 0.31 | 1.76 | 2.40 | 2.60 | 2.85 | 3.63 |
Defined as <35 weeks completed gestation from the date of ovulation.