Abstract
Purpose
Evaluating the failed IVF cycle often provides useful prognostic information. Before undergoing another attempt, patients experiencing an unsuccessful IVF cycle frequently request information about the probability of future success. Here, we introduced the concept of reproducibility and formulae to predict the next IVF cycle outcome.
Methods
The experimental design was based on the retrospective review of IVF cycle data from 2006 to 2013 in two different IVF centers and statistical analysis. The reproducibility coefficients (r) of IVF traits including number of oocytes retrieved, oocyte maturity, fertilization, embryo quality and pregnancy were estimated using the interclass correlation coefficient between the repeated IVF cycle measurements for the same patient by variance component analysis. The formulae were designed to predict next IVF cycle outcome.
Results
The number of oocytes retrieved from patients and their fertilization rate had the highest reproducibility coefficients (r = 0.81 ~ 0.84), which indicated a very close correlation between the first retrieval cycle and subsequent IVF cycles. Oocyte maturity and number of top quality embryos had middle level reproducibility (r = 0.38 ~ 0.76) and pregnancy rate had a relative lower reproducibility (r = 0.23 ~ 0.27). Based on these parameters, the next outcome for these IVF traits might be accurately predicted by the designed formulae.
Conclusions
The introduction of the concept of reproducibility to our human IVF program allows us to predict future IVF cycle outcomes. The traits of oocyte numbers retrieved, oocyte maturity, fertilization, and top quality embryos had higher or middle reproducibility, which provides a basis for accurate prediction of future IVF outcomes. Based on this prediction, physicians may counsel their patients or change patient’s stimulation plans, and laboratory embryologists may improve their IVF techniques accordingly.
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Capsule The IVF traits including number of oocytes retrieved, maturity, fertilization and top quality embryos had high or middle reproducibility. Base on these parameters, the outcomes of these traits could be accurately predicted in next IVF cycle.
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Wu, B., Shi, J., Zhao, W. et al. Understanding reproducibility of human IVF traits to predict next IVF cycle outcome. J Assist Reprod Genet 31, 1323–1330 (2014). https://doi.org/10.1007/s10815-014-0288-y
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DOI: https://doi.org/10.1007/s10815-014-0288-y