Circumvallate Placenta: Associated Clinical Manifestations and Complications—A Retrospective Study

Table 5

Comparison of clinical symptom rates between circumvallate placenta and control groups.

	Circumvallate placenta ()	Control ()	value
VB during the 2nd trimester + PCROM	17 (18.5%)	9 (0.1%)	<0.01
VB during the 1st and 2nd trimesters + PCROM	12 (13.0%)	8 (0.09%)	<0.01

VB: vaginal bleeding; PCROM: premature chemical rupture of membranes.