Fig. 4From: The effectiveness of different down-regulating protocols on in vitro fertilization-embryo transfer in endometriosis: a meta-analysisMeta-analysis on implantation rate (a), fertilization rate (b), clinical pregnancy rate (c), basal FSH (d), duration of stimulation (e), dose of gonadotropin (f), the number of retrieved oocytes (g): the ultra-long protocol versus short protocol in non-RCTsBack to article page