The Impact of Vitrification in Artificial Reproductive Technology Programmes

*Manish Banker, Aditi Kotdawala, Reena Gupta

Nova IVI Fertility, Navrangpura, Ahmedabad, India
*Correspondence to

Disclosure: The authors have declared no conflicts of interest.
Received: 20.04.17 Accepted: 22.08.17
Citation: EMJ. 2017;2[4]:82-89.


Cryopreservation is an integral part of the current methods of assisted reproductive technology (ART). In the past two decades, slow freezing has been replaced worldwide by vitrification due to its association with improved survival rates and clinical outcomes comparable to fresh embryo transfers. Successful embryo vitrification programmes have led to a significant reduction in the incidences of two major complications of ART: ovarian hyperstimulation syndrome and multiple gestations. Multiple embryo transfer cycles from the single ovum aspiration cycle have had a cumulative effect on the numbers of live births. Oocyte vitrification has also helped women to delay their pregnancies for medical or social reasons. This has made oocyte banking a viable option for better synchronisation of oocyte donation programmes. The emerging field of ovarian tissue vitrification has made fertility preservation possible for women undergoing gonadotoxic therapy. In this review, we have discussed the basic principles and methodology of slow freezing and vitrification along with its need and impact on ART.

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