Embryos can be classified into 4 types: from A to D, from the best to the worst quality. In this image differences can be seen, such as the appearance of the cells and the degree of fragmentation.
Read the full article on: How are embryos classified according to their day of development? ( 63).
By Alicia Francos Pérez M.D., M.Sc. (gynecologist), José Luis de Pablo B.Sc., M.Sc., Ph.D. (senior clinical embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist), Cristina Algarra Goosman B.Sc., M.Sc. (psychologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 04/16/2020
