In recent years,there is an increasing demand for female fertility preservation.The main fertility preservation programs currently used are assisted reproductive techniques with vitrification and freezing of eggs and embryos.However,compared with fresh eggs and embryos,vitrified cryopreserved eggs have lower clinical pregnancy outcomes.This article reviews the effects of cryopreservation on egg production and the possible mechanism,and explores methods to reduce the impact of cryopreservation on eggs and to achieve satisfactory pregnant outcomes.
维普
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