According to most fertility specialists, a recurrent implantation failure occurs when pregnancy is not achieved after the transfer of at least 3 good quality embryos. However, at present there is no exact criteria for this term.
It is a condition that is attributed when there is failure of a successive number of IVF cycles.
Read the full article on: Recurrent IVF Failure: Causes and Solutions to be Parents ( 51).

Marta Barranquero Gómez
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).