Cesarean section and risk of childhood leukemia: a systematic review and meta-analysis

A large number of studies pointed that being delivered by cesarean section (CS) would affect the health outcomes of offspring, however, whether CS would affect the risk of childhood leukemia remained uncertain. This study conducted a meta-analysis to quantitatively evaluate whether being delivered by CS would influence the onset of childhood leukemia. PubMed, Embase and Web of Science databases were searched from 3rd June, 1950 to 13th October,...