When embryos are cultured sequentially, it means that they are changed from one culture medium to another when they reach day 3 of development.
Thus, from the time fertilisation occurs and the zygote is formed until day 3, the embryos remain in one culture medium. At this point, the embryos are transferred to another culture medium and here they will develop to the blastocyst stage.
Read the full article on: What is long embryo culture and blastocyst grading? ( 36).
By Alicia Francos Pérez M.D., M.Sc. (gynecologist), Carolina Andrés Santé B.Sc., M.Sc. (embryologist), Cristina Duque Royo M.Sc., Ph.D. (senior clinical embryologist), José Luis de Pablo B.Sc., M.Sc., Ph.D. (senior clinical embryologist), Laura Molina Sotomayor (embryologist), Leonor Ortega López B.Sc., M.Sc. (embryologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Miguel Angel Checa Vizcaino M.D., Ph.D. (gynecologist), Rebeca Reus BSc, MSc (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 06/28/2023
