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. 2012 Feb 20;2012:403531. doi: 10.1155/2012/403531

Figure 2.

Figure 2

Influence of the timing between oocyte retrieval and denudation (white box) and the timing between oocyte denudation and ICSI injection (black box) on the fertilization rate. The relation between P(fertilization) (P(f), the probability of the oocytes to be fertilized) and the time between oocyte retrieval and denudation (T 1) was statistically significant with a P value <0.0001 related to (T 1)2. log⁡⁡(P(f))/(1 − P(f)) = 0.46 + 0.06 (T 1)2. The relation between P(fertilization) (P(f), the probability of the oocytes to be fertilized) and the time between denudation and microinjection (T 2) was statistically significant and linear with a 0.0083 P value related to T 2, following the equation log⁡(P(f))/(1 − P(f)) = 0.97 − 0.50(T 2) + 0.11 (T 2)2and with a 0.005 P value related to (T 2)2.