Answer from: Andrea Sánchez Freire
Yes, we can have five AA blastocyst and it can be abnormal. There are some studies that say that Down Syndrome… are perfect embryos in culture until day five or six and then if you start it you have plus 21 chromosomes. So yes, we can have perfect blastocyst normal chromosomes.
What makes an embryo abnormal?
Can all my embryos be abnormal?