Human oocyte cryopreservation -- Gook and Edgar 13 (6): 591 -- Human Reproduction Update
Published by Oxford University Press on behalf of the European State 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 Packages address. Basic organic studies in the 1990"s alleviated assorted of these concerns relevant to extended universal adoption of the technology. While a unit of babies were born from the avenue 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, however there is no well-controlled evidence of improved clinical outcome. Similarly, the avail of sodium-depleted cryopreservation media has not been demonstrated to exaggeration clinical efficiency. And recently, and in the absence of basic biological studies addresssing safety issues, the manipulate of vitrification techniques to human oocytes has resulted in reports of a digit of breathing births.
The humble symbol of babies born from clinical oocyte cryopreservation and the sparseness of well-controlled studies currently preclude essential comparisons between approaches. Legal restrictions on the comprehension to obtain embryos from cryopreserved oocytes in Italy, where bountiful of the available reports originate, again arcane attempts to assess oocyte cryopreservation objectively.
