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International Journal of Reproductive BioMedicine
Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences of Yazd
ISSN: 1680-6433
EISSN: 1680-6433
Vol. 14, No. 7, 2016, pp. 465-470
Bioline Code: rm16059
Full paper language: English
Document type: Research Article
Document available free of charge

International Journal of Reproductive BioMedicine, Vol. 14, No. 7, 2016, pp. 465-470

 en Modified natural cycle frozen-thawed embryo transfer in patients with repeated implantation failure: An observational study
Arefi, Soheila; Hoseini, Ahmad; Farifteh, Fattaneh & Zeraati, Hojjat

Abstract

Background: Natural endometrium in Frozen-thawed Embryo Transfer (FET) may have some benefits upon implantation in patients with Repeated Implantation Failure (RIF). It might be due to possible differences between natural and stimulated endometrial growth factors and cytokins secretions.
Objective: The objective of this study was to compare the pregnancy rate of FET on modified natural cycle versus hormone replacement therapy (HRT) cycle endometrium in patients with RIF.
Materials and Methods: In this observational study the pregnancy rate of patients with RIF undergoing day 3 FET in natural cycle endometrium (group 1, n=56), were compared with another group of patients with RIF in whom frozen-thawed day 3 embryos were transferred on HRT cycle (group 2, n=52).
Results: The pregnancy rate in group 1 was 41.07%, compared with the pregnancy rate of group 2; 36.5% (p=0.63). The abortion rate was not significantly different among the groups.
Conclusion: It can be concluded that FET in a modified natural cycle is comparable with HRT cycle in patients with RIF.

Keywords
Embryo transfer; Hormone replacement therapy; Embryo implantation

 
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Alternative site location: http://www.ijrm.ir

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