[Last morphological selection].
Selection criteria for embryo transfer is an essential step in ART. Evaluation of pronuclear morphology, evaluation of zygote, embryo cleavage, quality of blastomeres predict the viability of embryos. Multinucleation in cleavage stage embryos is associated with a lower implantation and pregnancy rate.
Veiga
A
A
Service de Gynécologie Obstétrique, Hôpital Antoine Béclère, 157, Rue de la Porte Trivaux, 92150 Clamart, France.
Arroyo
G
G
Fallet
C
C
D001757:Blastomeres / Q000648:ultrastructure; D002970:Cleavage Stage, Ovum / Q000648:ultrastructure; D010064:Embryo Implantation; D004624:Embryo Transfer / Q000379:methods*; D004622:Embryo, Mammalian / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011256:Pregnancy Outcome; D015053:Zygote / Q000648:ultrastructure