The last step of in vitro fertilization (IVF) is the transfer of embryos. To do this, it is necessary to prepare the endometrium so that it acquires an adequate thickness and a trilaminar aspect, factors that favour embryo implantation. This endometrial preparation can be done in two ways, which are known as the natural cycle or an artificial cycle.
As can be seen in the image, the endometrial preparation in an artifical cycle is carried out by exogenous drug administration. Specifically, the woman will have to take estrogens and progesterone to simulate the natural behavior of the uterus. Therefore, the woman will start on these drugs on the day that menstruation begins until the endometrium acquires the desired characteristics.
Read the full article on: What are the most frequent symptoms after an embryo transfer? ( 450).
By Aitziber Domingo Bilbao B.Sc., M.Sc. (embryologist), Blanca Paraíso M.D., Ph.D., M.Sc. (gynecologist), Elena Santiago Romero M.D. (gynecologist), Guillermo Quea Campos M.D. (gynecologist), Laura Parra Villar B.Sc., M.Sc. (embryologin), María José Martínez-Cañavate Montero M.D. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Rebeca Reus BSc, MSc (embryologist), Rut Gómez de Segura M.D. (gynecologist), Sara Salgado B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 07/28/2022
