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Clinical Pregnancies After Cryopreservation of Donor Oocytes With an Open or Closed Device

Infertility Clinical Trial

Official title:
Investigation of the Clinical Pregnancies Obtained After Cryopreservation of Donor Oocytes With an Open or Closed Device

Clinical Trial Summary

This randomized pilot study will assess if there is a difference in clinical pregnancies using donor oocytes cryopreserved in either a closed or a semi-closed vitrification device.

Clinical Trial Description

Oocyte cryopreservation was optimized by the use of a new technique: vitrification. Vitrification can be performed using either open devices (where the oocytes are in direct contact with the liquid nitrogen) or closed systems (where the oocytes are never in contact with liquid nitrogen). Previous studies have associated the use of open devices to higher oocyte survival rates and better embryo development. However, any beneficial effect on clinical pregnancy rates is yet to be proven. Hence, the objective of this study is to compare the clinical pregnancy rates of open and closed oocyte vitrification devices. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02940106
Study type Interventional
Source Universitair Ziekenhuis Brussel
Contact
Status Terminated
Phase N/A
Start date October 2016
Completion date July 2018
View Details
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