In order to select the embryos with the greatest implantation capacity and transfer them to the maternal uterus, specialists classify them into different grades or categories according to morphological parameters, such as: number of blastomers or cells, symmetry, fragmentation, multinucleation, the appearance of the cytoplasm or alterations in the zona pellucida.
Read the full article on: Embryo Quality & Grading – Does It Affect IVF Success? ( 33).
By Edurne Martínez Sanz B.Sc., M.Sc. (senior clinical embryologist), José Muñoz Ramírez B.Sc., M.Sc., Ph.D. (senior clinical embryologist), Mark P. Trolice M.D., F.A.C.O.G., F.A.C.S., F.A.C.E. (reproductive endocrinologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Romina Packan (invitra staff).
Last Update: 10/24/2019
