What is an ERA? How does it help fertility? Who benefits from an ERA?

By CNY Fertility Updated on
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What is an ERA?

An Endometrial Receptivity Analysis (ERA) is a test done to evaluate a woman’s endometrial receptivity (aka how likely an embryo is to stick).  The test is performed to help prevent implantation failure by identifying a woman’s unique and optimum “window of implantation.”

How does it help with fertility and fertility treatments?

The ERA allows the reproductive endocrinologist to better time your embryo transfer (as compared to blood and ultrasound monitoring alone) and achieve a higher chance that an IVF cycle will be successful.

Who benefits from an ERA?

The people who generally benefit from an ERA most often fall under one of two categories:

  • Clients with repeated implantation failure despite transferring “high quality,” embryos.
  • Women who have a morphologically normal uterus and endometrial thickness where it appears the uterus and endometrium are unlikely the problem.

How is an ERA performed?

An ERA starts with an endometrial biopsy, meaning a small bit of endometrial tissue is removed from your uterus.

This will be done in an outpatient procedure at a doctor’s office. From this tissue, your RNA will be extracted and analyzed. After it has been analyzed, you will be issued a report which will be used by your fertility specialist to help time the embryo transfer.

Where is the ERA performed?

ERA tests are available at all of our offices.