Journal
SYSTEMS BIOLOGY IN REPRODUCTIVE MEDICINE
Volume 63, Issue 3, Pages 209-211Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/19396368.2017.1285371
Keywords
Human oocyte; immature; in vitro maturation; post-denudation; spontaneous
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Funding
- Fundacion Ginemed
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This case report describes a live birth after the fresh replacement of an embryo obtained from a spontaneously in vitro matured oocyte. The patient was subjected to controlled ovarian stimulation for IVF treatment, obtaining two oocytes. One was found to be immature at the time of denudation, at metaphase-I. This immature oocyte was kept in culture overnight in standard conditions along with the second oocyte - which was mature but failed to fertilize - spontaneously achieving metaphase-II, and was subjected to ICSI. The resulting embryo was replaced on the second day of development, producing a pregnancy that resulted in a healthy live birth. Post-denudation in vitro maturation could be considered as a tool to improve reproductive outcomes in selected patients, such as poor responders.
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