Figure 2
From: GnRH agonist versus GnRH antagonist in in vitro fertilization and embryo transfer (IVF/ET)

GnRH antagonist protocols. Fixed day 6 protocol: 0.25 mg GnRH antagonist/daily until hCG administration (Albano et al.,F&S 1997)[23]. Single dose protocol. 3 mg GnRH antagonist at day 7 of stimulation (Olivennes et al.,HR 1998)[22]. Flexible dose protocol: 0.25 mg GnRH antagonist when follicles reach >14 mm (Diedrich et al., HR 1994).[21]