Fig. 3From: Association of Chlamydia trachomatis infections with preterm delivery; a systematic review and meta-analysisMeta-analysis of the association of CT infections with preterm delivery risk. Odds Ratio and 95% confidence intervals for each study and in summary with weighting in a random-effect model are shown. Midpoint of each line segment represents the estimated OR in the study. Rhombic mark shows the OR in Total, extracted from all studiesBack to article page