Fig. 1From: Ovulation induction drug and ovarian cancer: an updated systematic review and meta-analysisA Forest plot of IOC risk between OI group and CT group based on case-control studies; B Forest plot of IOC risk between OI group and CT group based on cohort studies; C Forest plot of BOT risk between OI group and CT group based on case-control studies; D Forest plot of BOT risk between OI group and CT group based on cohort studiesBack to article page