Circumvallate Placenta: Associated Clinical Manifestations and Complications—A Retrospective Study
Table 4
Comparison of pregnancy outcomes between preterm and term delivery subgroups of circumvallate placenta group.
Preterm delivery ()
Term delivery ()
value
VB during the 1st trimester
25 (42.3%)
5 (15.2%)
0.010
VB during the 2nd trimester
31 (52.5%)
5 (15.2%)
<0.01
Subchorionic hematoma
11 (18.6%)
3 (9.1%)
0.36
PROM
36 (61.0%)
5 (15.2%)
<0.01
pPROM
36 (61.0%)
0 (0%)
<0.01
PCROM
19 (32.2%)
0 (0%)
<0.01
VB during the 2nd trimester + PCROM
17 (28.8%)
0 (0%)
<0.01
VB during the 1st and 2nd trimesters + PCROM
12 (20.3%)
0 (0%)
<0.01
VB: vaginal bleeding; PROM: premature rupture of membranes; pPROM: preterm premature rupture of membranes; PCROM: premature chemical rupture of membranes.
