Fig. 3From: Maternal colonization with group B Streptococcus and antibiotic resistance in China: systematic review and meta-analysesFunnel plot showing symmetrical distribution of the studies in China since 2010 to 2020. Funnel plots were drawn based on Group B streptococcus colonization rate. The results showed that the symmetry of the left–right distribution of each research site was good, and no visual evidence of publication bias was revealedBack to article page