The endometrial preparation is an essential phase prior to the embryo transfer, since it helps to ensure that the endometrium has the right characteristics for implantation.
Therefore, it will be necessary for the woman to be administered estrogen and progesterone and to visit the fertility clinic on several occasions for ultrasound controls. Thanks to these controls, the gynecologist will be able to establish the moment of transfer of the embryos when the endometrium acquires a thickness of 7-10 mm and a trilaminar aspect, characteristics that favor the embryo implantation.
Read the full article on: How Does the Frozen Embryo Transfer (FET) Procedure Work? ( 59).
By Edurne Martínez Sanz B.Sc., M.Sc. (senior clinical embryologist), Eric Saucedo de la Llata M.D. (gynecologist), Gorka Barrenetxea Ziarrusta M.D., Ph.D. (gynecologist), Juan José Espinós Gómez M.D., Ph.D. (gynecologist), María Eugenia Ballesteros Moffa M.D., M.Sc., B.Sc. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Rebeca Reus BSc, MSc (embryologist) and Romina Packan (invitra staff).
Last Update: 06/01/2020