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PGS Diagnosis

maggier79maggier79 member
in Infertility
Does PGS identify whether embryo abnormalities are due to sperm or eggs? This info would be very useful when deciding whether to continue using donor eggs instead of own.
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Re: PGS Diagnosis

  • sarcasticowlsarcasticowl member
    Hi @maggier79, PGS tests embryos, so they are already a combination of egg and sperm by the time they're biopsied. They can't tell where the abnormality comes from with PGS.

    If you do PGD and are looking for specific abnormalities on the male genome, however (e.g. Klinefelter syndrome), you can be assured that it's sperm-based, as eggs are only X chromosomes and sperm can be either X or Y.

    Hope that makes sense.
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  • maggier79maggier79 member
    Thanks @sarcasticowl
    Good luck on your FET!!

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