Table 2.

Management or characteristics of next pregnancy after previable, preterm PROM dichotamized by delivery gestational age.

Characteristic	Next Pregnancy After Previable Preterm PROM Delivered Preterm N=50	Next Pregnancy After Previable Preterm PROM Delivered at Term N=58	p-value
Median interpregnancy interval, years (IQR)	2 (1–3)	2 (1–3)	0.565
At least one cervical length assessment by transvaginal ultrasound, n(%)	22 (44)	14 (24)	0.029
Cervical cerclage placement, n(%)	18 (36)	12 (21)	0.077
Received vaginal progesterone, n(%)	2 (4)	2 (3)	>0.99
Intramuscular progesterone supplementation, n(%)*	13/46 (28)	17/54 (31)	0.726
Any preterm birth prophylaxis (vaginal progesterone, intramuscular progesterone, or cerclage), n(%)	26 (52)	23 (40)	0.199
Clinical and/or pathologic evidence of chorioamnionitis noted at delivery, n(%)	13 (26)	3 (5)	0.003

^*Only the 100 pregnancies delivering in 2004 or later considered