A Higher Ovarian Response after Stimulation for IVF Is Related to a Higher Number of Euploid Embryos

Table 1

Follicular phase and embryo development parameters in 46 oocyte donors subjected to COS.

Cycle parameters
Duration of stimulation (days)	10.1 ± 2.3
Total gonadotropin doses (IU)	2230 ± 670
Serum E2 on rCG day (pg/ml)	2707 ± 1135
Serum P on rCG day (ng/ml)	0.8 ± 0.4
Number of oocytes	17.8 ± 7.7
Number of metaphase II oocytes	13.4 ± 6.2
Number of oocytes fertilised	10.2 ± 4.8
Number of biopsied embryos	6.7 ± 3.5
Number of informative embryos	6.6 ± 3.4
Aneuploidy rate in the whole embryo cohort	40.6% (95% CI: 35.0–46.4)
Mean aneuploidy rate per egg donor	38.2% (95% CI: 30.5–45.8)

Plus-minus values are mean ± SD.