【摘 要】
：
With single blastocyst transfer practice becoming more common in ART, there is a greater demand for a convenient and reliable cryostorage of surplus blastocysts.Vitrification has emerged in the last d
【机 构】
：
Alexandria University Egypt
【出 处】
：
BIT`s 1st International Congress of Gynaecology and Obstetri
论文部分内容阅读
With single blastocyst transfer practice becoming more common in ART, there is a greater demand for a convenient and reliable cryostorage of surplus blastocysts.Vitrification has emerged in the last decade as an alternative promising substitute for slow freezing.Blastocysts represent a unique challenge in cryostorage due to their size, multicellular structure and presence of blastocoele.The continuous acquisition of experience and introduction of many different technological developments has led to the improvement of vitrification as a technology and improved the results of its application in blastocyst cryostorage.The current information concerning safety and efficacy of the vitrification of blastocysts will be reviewed along with the variables that can impact the outcome of the procedure.
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