Table 1—

Maternal characteristics and glycemic and fetal parameters at entry

Standard groupUltrasound groupP
n100*99
Prior pregnancy with (%)
 GDM14.09.10.2
 Macrosomia (>4,000 g birth weight)9.012.10.3
 Cesarean delivery11.012.10.5
Age (years)31.3 ± 5.031.0 ± 5.60.7
Parity2.1 ± 1.22.1 ± 1.30.9
Prepregnancy BMI (kg/m2)28.4 ± 6.626.9 ± 5.90.09
Oral glucose tolerance test (mg/dl)
 Fasting95.7 ± 15.794.2 ± 15.10.5
 1 h200.6 ± 28.7202.2 ± 25.50.7
 2 h156.8 ± 32.0155.4 ± 31.90.8
HbA1c at entry (%)5.1 ± 0.65.2 ± 1.00.3
Gestational age at diagnosis (weeks)26.1 ± 4.326.2 ± 4.30.9
Gestational age at study entry29.0 ± 3.829.1 ± 3.40.8
Fetal abdominal circumference >75th percentile (%)36.038.40.4
  • Data are means ± SD, unless otherwise noted.

  • *

    * Includes 3 women not completing the study;

  • includes 9 women not completing the study.