Obstetrics and Gynecology International / 2014 / Article / Tab 4

Research Article

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 trimester25 (42.3%)5 (15.2%)0.010
VB during the 2nd trimester31 (52.5%)5 (15.2%)<0.01
Subchorionic hematoma 11 (18.6%)3 (9.1%)0.36
PROM36 (61.0%)5 (15.2%)<0.01
pPROM36 (61.0%)0 (0%)<0.01
PCROM 19 (32.2%)0 (0%)<0.01
VB during the 2nd trimester + PCROM17 (28.8%)0 (0%)<0.01
VB during the 1st and 2nd trimesters + PCROM12 (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.

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