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After age 35, risk of genetic disorders such as Down's Syndrome increase. Is that a defect in the egg or the body's ability to carry the fetus?

I'm just curious. I hear that docs will start doing genetic testing if the woman is over 35. Where does the problem come from?


Asked by Shanna84 at 2:21 PM on Nov. 8, 2010 in Pregnancy

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Answers (6)
  • The older you get the more likely you are to release an egg that is of a poorer quality. The risk does begin to increase more at age 35, but it's still a very low risk at that age.

    Answer by TweenAndTwinMom at 2:29 PM on Nov. 8, 2010

  • The egg quality starts deterioration and this is part of what causes the problems that arise with older women having healthy babies.

    Answer by twinsplus2more at 2:33 PM on Nov. 8, 2010

  • The egg. Also because older moms tend to be prescribed hormones early in pregnancy to prevent miscarriage, or use hormones to aide in conception, there is a higher rate of genetic problems possible because the body retains a pregnancy that it would have aborted because it was not as viable.

    Answer by LSUFFMomma at 2:59 PM on Nov. 8, 2010

  • It's a chromosomal abnormality in the egg.

    Answer by MagnoliaQueen at 3:01 PM on Nov. 8, 2010

  • Yes, it's a chromosome abnormality of chromosome 21. They have 3 copies instead of 2. It happens more often when you get older because you are beginning to release the last of your eggs... and they are usually of poorer quality.

    Answer by KitKatCadillac at 3:35 PM on Nov. 8, 2010

  • the egg

    Answer by AshJoe05 at 3:57 PM on Nov. 8, 2010