Clinical Significance of Preterm Singleton Pregnancies Complicated by Placental Abruption following Preterm Premature Rupture of Membranes Compared with Those without p-PROM
Table 1
Obstetric complications and perinatal outcomes of preterm singleton pregnancies complicated by placental abruption with and without preterm premature rupture of membranes (p-PROM).
p-PROM
value*
(−)
(+)
N
60
42
Maternal age (years)
0.16
Parity
0.59
Multiparous
32 (50.0)
18 (58.1)
0.61
Gestational age at delivery
Average (weeks)
0.26
<32 weeks
12 (18.8)
10 (32.3)
0.23
Hypertensive disorders
6 (9.4)
0 (0.0)
0.19
Emergency Cesarean delivery
52 (81.3)
11 (35.5)
<0.01
DIC
12 (18.8)
1 (3.2)
0.08
Blood loss requiring transfusion
13 (20.3)
3 (9.7)
0.34
Histological chorioamnionitis**
Stage II
14 (21.9)
9 (29.0)
0.61
Stage III
4 (6.3)
8 (25.8)
0.02
Neonatal birth weight
Average (g)
2,
1,
0.39
Small for gestational age
11 (17.2)
6 (19.4)
0.98
Fetal demise
9 (14.1)
1 (3.2)
0.21
Surviving fetuses/neonates
55 (85.9)
30 (96.8)
0.21
NRFS
41 (74.5)
15 (50.0)
0.04
Apgar 1′ < 4
14 (25.5)
2 (6.7)
0.07
Apgar 5′ < 4
4 (7.3)
1 (3.3)
0.77
Umbilical artery pH < 7
9 (16.4)
1 (3.3)
0.14
Values are expressed as (%) or mean ± SD. values by Student’s -test or test.
**Microscopic histological analysis of the placenta. p-PROM: preterm premature rupture of membranes. DIC: disseminated intravascular coagulation. NRFS: nonreassuring fetal status.