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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Placenta. 2016 Feb 21;40:60–66. doi: 10.1016/j.placenta.2016.02.010

Table 1.

Clinical Characteristics of Study Participants

Normal BMI (≤ 25.0 kg/m2) High BMI (> 25.0 kg/m2) P-value (t-test)
Mother N 27 35 -
BMI (kg/m2) 22.3 ± 0.4 32.7 ± 1.0 <0.0001
Age (years) 29 ± 1.2 27 ± 0.8 0.06
Ethnicity (% Hispanic) 73% 80% -
Gestational Age 39.3±0.2 39.2±0.1 0.6
Weight gain 29.6 ± 2.3 24.5 ± 2.1
% mothers under/within/above IOM weight gain guideline 33/33/33 12/29/59
Newborn Fetal gender (female/male) 10/12 24/11 -
Birth weight (g) 3390 ± 61 3430 ± 80 0.7
Length (cm) 51.3 ± 0.3 50.3 ± 0.4 0.06
Ponderal Index (gx100/cm3) 2.5 ± 0.04 2.7 ± 0.05 <0.01
Placental weight (g) 679 ± 22 729 ± 26 0.2

Data are presented as mean ± sem.