Obstetrics and Gynecology International / 2014 / Article / Tab 1

Research Article

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 ≥3525 (27.2%)2691 (29.7%)0.60
Primipara46 (50%)4579 (50.5%)0.92
Spontaneous pregnancy84 (91.3%)8383 (92.5%)0.65
Pregnancy by artificial insemination2 (2.2%)126 (1.4%)0.53
Pregnancy by fertility drug2 (2.2%)194 (2.1%)0.98
Pregnancy by in vitro fertilization4 (4.3%)355 (3.9%)0.96

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.