Table 2.

Summary Statistics for Outcomes

Continuous outcomes	mean (SD)
Maternal RBC at birth	8.84 (3.14)
Gestational age (days) at delivery	270.9 (13.8)
Birth weight (g) at delivery	3296.7 (558.5)
Birth length (cm) at delivery	50 (4)
Birth head circumference (cm) at delivery	33.9 (2.4)
Categorical outcomes	count (%)
Low birth weight (<2500 g)
Yes	63 (5.7%)
No	965 (87.7%)
Unknown	72 (6.5%)
Pre-term birth (<37 weeks)
Yes	98 (8.9%)
No	934 (84.9%)
Unknown	68 (6.2%)
Gestational diabetes
Yes	120 (10.9%)
No	937 (85.2%)
Unknown	43 (3.9%)
Pre-eclampsia
Yes	66 (6.0%)
No	966 (87.8%)
Unknown	68 (6.2%)
Neonatal ICU admission
Yes	108 (9.8%)
No	924 (84.0%)
Unknown	68 (6.2%)
Spontaneous labor
Yes	285 (25.9%)
No	747 (67.9%)
Unknown	68 (6.2%)