Cervical Length Measurement for the Prediction of Preterm Birth in Symptomatic Women with a Twin Pregnancy: A Systematic Review and Meta-Analysis

<table>Summary receiver operating characteristics plot for observed accuracy for all individual studies. (Observed accuracy for studies reporting on different cervical length thresholds and definitions of preterm birth were plotted separately).</table>

Obstetrics and Gynecology International

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Figure 2

Figure 2: Cervical Length Measurement for the Prediction of Preterm Birth in Symptomatic Women with a Twin Pregnancy: A Systematic Review and Meta-Analysis 

Figure 2 | Cervical Length Measurement for the Prediction of Preterm Birth in Symptomatic Women with a Twin Pregnancy: A Systematic Review and Meta-Analysis 