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Is a thickened endometrium receptive?

By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 12/05/2019

Not necessarily. A receptive endometrium is one that has a thickness between 8-12 mm and a trilaminar aspect. An endometrial thickness greater than 13 mm is associated with a low implantation rate.

In addition, for an endometrium to be receptive it must have undergone several structural changes that can only be visualised after a biopsy and observation of the endometrial tissue under the microscope: presence of pinopods, endometrial glands, greater number of cells, etc.

 Zaira Salvador
Zaira Salvador
B.Sc., M.Sc.
Embryologist
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI) License: 3185-CV.