Currently, embryo transfer to the patient's uterus is usually done when the embryo is 3 to 5 days old. This means that the embryo will be transferred at an earlier stage of embryonic development (day 3) or at the blastocyst stage (day 5).
The decision to transfer on one day or another is made by the specialists on a personalized basis for each patient, taking into account factors such as the number of embryos obtained and their quality, the endometrium, and the results (if any) of previous in vitro fertilization (IVF) attempts.
Read the full article on: Embryo transfer: when and how is it done? ( 86).
By Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Patricia Recuerda Tomás B.Sc., M.Sc. (embryologist), Rut Gómez de Segura M.D. (gynecologist), Sara Salgado B.Sc., M.Sc. (embryologist), Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 02/22/2022