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Fig. 2 | Journal of Ovarian Research

Fig. 2

From: 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 cycles

Fig. 2

The correlation between the E2/P ratio on OPU + 7 and clinical pregnancy and live birth rates. A threshold, nonlinear association between pregnancy outcomes and the E2/P ratio on OPU + 7 day was found in a generalized additive model (GAM). The smooth curve fit between variables is represented by the solid red line. The 95% confidence interval from the fit is represented by blue bands. All estimates are adjusted for female age, BMI, AMH, AFC, infertility duration, infertility type, infertility factors, fertilization method, administration on trigger day, luteal support, number of transferred embryos and moderate or severe OHSS rate. E2, estradiol; P, progesterone; OPU, oocyte pick-up

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