Human oocyte cryopreservation -- Gook and Edgar 13 (6): 591 -- Human Reproduction Update
Published by Oxford University Press on behalf of the European Kingdom of Human Reproduction and Embryology. All rights reserved. For Permissions, please email: journals.permissions oxfordjournals.org Human oocyte cryopreservation Debra A. Gook 1, 2, 3 and David H. Edgar 1, 2 1 Reproductive Services Melbourne IVF, Regal Women"s Hospital, 132 Grattan Street, Carlton, Vic 3053, Australia 2 Branch of Obstetrics and Gynaecology, University of Melbourne, Melbourne, Australia 3 Mail address.
Basic organic studies in the 1990"s alleviated lousy with of these concerns valuable to also general adoption of the technology. While a unit of babies were born from the drawing near validated in the 1990"s, its perceived clinical inefficiency led to the search for improved methods.
Introduction of elevated dehydrating sucrose concentrations during cryopreservation increased survival and fertilization rates, on the contrary there is no well-controlled evidence of improved clinical outcome. Similarly, the apply of sodium-depleted cryopreservation media has not been demonstrated to exaggeration clinical efficiency.
Augmented recently, and in the absence of basic biological studies addresssing safety issues, the employ of vitrification techniques to human oocytes has resulted in reports of a character of animate births.
The meager digit of babies born from clinical oocyte cryopreservation and the shortage of well-controlled studies currently preclude authentic comparisons between approaches. Legal restrictions on the competence to capture embryos from cryopreserved oocytes in Italy, where divers of the available reports originate, again cryptic attempts to assess oocyte cryopreservation objectively.
