I think these responses are a little harsh. People post things because they need help or support. Infertility, IVF, etc. is already a super stressful experience. Let's not add to it with snarky or nasty replies.
PGS (aka PGT-A) tests for if you have an abnormal number of chromosomes in cells in your embryo, which could either lead to failure to implant, miscarriage, birth defects, intellectual disabilities, etc. However, we are only aware of some of the relationships between chromosomal abnormalities and outcomes. For instance, Down Syndrome is related to problems with chromosome 21, while something related to sex, like Klinefelter or Turner syndrome, is linked to chromosome 23 (the sex chromosome). Since we aren't sure which chromosomes are linked to autism, that can't be predicted using PGT-A.
PGD (PGT-M) is if you know you're a carrier for a genetic disease (determined through carrier screening before you start the IVF process). You are looking at the embryo cells to select embryos that do not carry the mutated gene.
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