pgt-a

Timeline graphic that outlines the process of the endometrial receptivity assay ERA.

Should you consider the ERA test prior to your embryo transfer?

October 26, 2021

The egg retrieval is done, the embryos have been created and are frozen.  A patient may now ask, “Should we postpone an embryo transfer to do an ERA?”  To best answer that question one must understand the processes related to this test and weigh the benefits.  The Endometrial Receptivity Assay (ERA) test involves three weeks…

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Does transferring a good-quality embryo with a lower-quality embryo reduce the probability of success?

September 14, 2020

This is a good study that indicates when transferring a lower quality blastocyst with a high-quality blastocyst, at the same time, it does not result in a decreased probability of success. In fact, there is a small increase in the number of live births.

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Myth: Miscarriages arising from chromosomally abnormal (aneuploid) embryos occur only in older women

May 19, 2020

Although increased age is a risk factor for embryo aneuploidy (abnormality) and miscarriages, younger women (<35) are at substantial risk for producing aneuploid embryos particularly when they have a history of recurrent miscarriages.  It may be that in these women the uterine lining is too selective.  In other words, the uterine lining is inappropriately allowing…

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