Can We Accurately Time the Administration of Antenatal Corticosteroids for Preterm Labor?

Table 2

Predictors of optimal timing of antenatal corticosteroids.

Predictor	Optimal timing	Suboptimal timing	value
Prior preterm birth	19 (17%)	12 (12%)	0.29
Multifetal gestation	26 (23%)	23 (23%)	0.94
ART	21 (19%)	24 (24%)	0.37
Rupture of membranes	57 (50%)	18 (18%)	<0.001
Vaginal bleeding	20 (20%)	14 (14%)	0.25
Cervical dilation
<2 cm	77 (68%)	89 (88%)	<0.001
≥2 cm	36 (32%)	12 (12%)
Cervical change	52 (46%)	14 (14%)	<0.001
Contractions on tocometer	86 (76%)	63 (62%)	0.02
Tocolysis	41 (36%)	41 (40%)	0.56
Abnormal fetal heart tracing	13 (12%)	5 (5%)	0.56
IUGR	1 (1%)	0 (0%)	0.36
IUGR w/abnormal Dopplers	4 (4%)	7 (7%)

ART, assisted reproductive technology; IUGR, intrauterine growth restriction.