A D-quality embryo is an embryo with a low implantation rate into the uterus. This embryo will present signs of degeneration, morphological alterations, high percentage of fragmentation, etc.
However, if there are no more embryos, D-quality embryos can be transferred to a woman's uterus. Although the probability of pregnancy is low, it is true that any embryo that is transferred could implant in the uterus and lead to a gestation.
Read the full article on: How To Choose The Best Embryo? Characteristics & Techniques ( 65).

Marta Barranquero Gómez
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).