How do laboratory embryo transfer techniques affect IVF outcomes? A review of current literature

Over the last few years, many studies have focused on embryo selection methods, whereas little attention has been given to the standardization of the procedure of embryo transfer. In this review, several parameters of the embryo transfer procedure are examined, such as the: (i) culture medium volume...

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Bibliographic Details
Published in:Human fertility (Cambridge, England) England), 2017-01, Vol.20 (1), p.3-13
Main Authors: Sigalos, George, Triantafyllidou, Olga, Vlahos, Nikos
Format: Article
Language:English
Subjects:
Embryo Transfer - methods
Embryo transfer techniques
Female
Fertilization in Vitro - methods
Humans
implantation
In vitro fertilization (IVF)
Pregnancy
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Summary:Over the last few years, many studies have focused on embryo selection methods, whereas little attention has been given to the standardization of the procedure of embryo transfer. In this review, several parameters of the embryo transfer procedure are examined, such as the: (i) culture medium volume and loading technique; (ii) syringe and catheters used for embryo transfer; (iii) viscosity and composition of the embryo transfer medium; (iv) environment of embryo culture; (v) timing of embryo transfer; (vi) and standardization of the embryo transfer techniques. The aim of this manuscript is to review these factors and compare the existing embryo transfer techniques and highlight the need for better embryo transfer standardization.
ISSN:1464-7273
1742-8149
DOI:10.1080/14647273.2016.1255357