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

Table 1

Comparison of maternal characteristics between circumvallate placenta and control groups.

	Circumvallate placenta ()	Control ()	value
Maternal age (years)	31.9 (19–45)	31.6 (16–50)	0.76
Maternal age ≥35	25 (27.2%)	2691 (29.7%)	0.60
Primipara	46 (50%)	4579 (50.5%)	0.92
Spontaneous pregnancy	84 (91.3%)	8383 (92.5%)	0.65
Pregnancy by artificial insemination	2 (2.2%)	126 (1.4%)	0.53
Pregnancy by fertility drug	2 (2.2%)	194 (2.1%)	0.98
Pregnancy by in vitro fertilization	4 (4.3%)	355 (3.9%)	0.96