Assessment and Optimization of Oocyte Quality during Assisted Reproductive Technology Treatment

ABSTRACT

The health of fetuses, neonates, and adults depends on normal development of the oocytes and embryos from which they arise. In addition, the ability of an embryo to implant, sustain a pregnancy, and give rise to a viable offspring is unquestionably rooted in oogenesis. Therefore, defining markers that can reliably predict the best quality oocytes will prove invaluable in the care and management of infertility patients. Furthermore, identification of the best quality oocyte will also permit the transfer of a single embryo, thereby increasing overall pregnancy rates and reducing multiple rates. Although a few potentially important predictors of oocyte quality have been identified, their application for routine use in the assisted reproductive technology (ART) laboratory remains to be established. With the critical need for markers to be noninvasive, reliable, and assayable with a rapid turnaround, key areas that will take advantage of recent technological advances are identified in this article. Oocyte quality also needs to be improved in the management of human infertility by ART programs. Given that mechanisms determining oocyte quality are multifactorial and complex, several possible areas that continue to necessitate optimization are discussed.

KEYWORDS

Oocyte quality - assessment - optimization - human assisted reproduction

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