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

Figure 3.

Figure 3

Influence of the timing between oocyte retrieval and denudation on the pregnancy rate (a) and the implantation rate (b). (a) The relation between the probability of pregnancy P(Pregn) and the time between oocyte retrieval and denudation (T 1) follows the equation log⁡(P(Pregn))/(1 − P(Pregn)) = −2.69 + 0.70(T 1) − 0.13(T 1)2 + 1.11 but was not statistically significant (P values: (T 1): 0.1364, (T 1)2: 0.1232). Two curves are represented depending on how many embryos are transferred R = 1 (white circle) if 1 embryo is transferred and R = 2 (black circle) if 2 embryos are transferred. (b) The relation between the probability of implantation P(i) and the time between oocyte retrieval and denudation (T 1) was statistically significant following the equation log⁡(P(i))/(1 − P(i)) = −1.89 + 2.04(T 1) − 0.65(T 1)2 (P values: (T 1): 0.03 and (T 1)2 0.03). The best implantation rate was observed for a time between oocyte retrieval and denudation around 1.5 hours.