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How the ERA Test works
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How the ERA Test works

In order to perform the ERA test and study the genes that are expressed in each woman's endometrium, it is necessary to carry out an endometrial biopsy, which consists of extracting a small sample of the endometrial tissue through a thin cannula.

Subsequently, the genes that are expressed in these endometrial cells are analyzed and the result is compared with a pattern of expression of these same genes in the implantation window according to a mathematical model. In this way, it is possible to determine whether the patient's endometrium is receptive or not.

When we obtain a 'non-responsive' result, depending on the diagnostic probability indicated by the experts who have performed the genetic study, a second biopsy will be recommended on another day of the cycle, in order to determine, on an individual basis, the best moment to perform the embryo transfer.

By (gynecologist), MD, PhD (gynecologist), BSc, MSc (embryologist), BSc, MSc (embryologist) and (invitra staff).
Last Update: 11/06/2020