Fig. 1From: The serum oestradiol/progesterone ratio on the day of OPU + 7, but not the day of OPU + 5, affects the rates of live birth in fresh blastocyst embryo transfer cyclesThe levels of E2 and P and the E2/P ratio on OPU + 2, OPU + 5 and OPU + 7 between the groups with clinical pregnancy and nonclinical pregnancyBack to article page