Table 3. Fetal size assessed by two-dimensional ultrasound (mean and standard error).
GC group (PTL and GCs) (n=18, 7 male) | Matched controls (no PTL or GCs) (n=47, 17 male) | PTL controls (PTL and no GCs) (n=14, 5 male) | P | |
---|---|---|---|---|
GA at ultrasound | 19.4 (1.7) | 18.9 (1.4) | 19.1 (1.2) | 0.34 |
Estimated fetal weight (g) | 302 (91) | 283 (80) | 295 (68) | 0.71 |
Biparietal diameter (cm) | 4.5 (0.4) | 4.6 (1.7) | 4.5 (0.3) | 0.89 |
Head circumference (cm) | 16.5 (1.7) | 15.9 (2.4) | 16.7 (1.4) | 0.35 |
Femur length (cm) | 2.9 (0.5) | 2.9 (0.4) | 3.0 (0.3) | 0.67 |
Abdominal circumference (cm) | 14.3 (1.8) | 14.1 (1.7) | 13.9 (1.4) | 0.83 |
Abbreviations: GC, glucocorticoid and PTL, preterm labor.
Note: Group differences tested using an analysis of covariance (ANCOVA) model adjusting for race ethnicity.