Figure 1
Forest plot showing the use of prostaglandin E2 (PGE2) agents versus the double‐balloon catheter (DBC) for the cervical ripening and labour induction on the likelihood of (3.1) excessive uterine activity and (3.2) neonatal intensive care unit (NICU) admission (Du YM et al, BJOG 2017; 14:891-9)