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Oocyte quantity vs quality
Yellow low response (<4 oocytes)
Green optimal response (4-10 oocytes) Orange mild hyper response (11-20 oocytes) Red severe hyper response (>20 oocytes)
Kok et al., Fertil Steril 2006
Oocyte number and good quality embryos
• Proportion of good quality embryos positively related to ovarian response (OR 1.21, 95% CI 1.07‐1.37)
Yellow low response (<4 oocytes)
Green optimal response (4-10 oocytes) Orange mild hyper response (11-20 oocytes) Red severe hyper response (>20 oocytes)
Kok et al., Fertil Steril 2006
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PRECONGRESS COURSE 06 I GENEVA, SWITZERLAND – 2 JULY 2017 43
