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what is an amniocentesis?

when do you usually have one done, and does everyone need to have one?


Asked by Baby.Fremd7 at 6:00 PM on Oct. 21, 2010 in Pregnancy

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Answers (6)
  • they are certainly not recommended.

    they are used to do further testing. i had one done at 22 weeks with my 2nd to further test for genetic disorders.

    what they do is try to numb and sterilize the insertion area with iodine, insert a long but very thin needle through your stomach in the belly button area, until it pokes through the uterus. then the needle is removed and a catheter is put in it's place, so the needle doesn't stay the whole time. all the while, another technician monitors everything that's being done via ultrasound, so the OB can see what she's doing. they will withdraw some amniotic fluid and send it off to be tested. they can tell you without a doubt what the sex of your baby is this way. they can do dna testing this way.

    i felt a slight pinch when she popped thru the uterus, nothing major, and slight burning in the insertion area most of the day. the risk of miscarriage is less than 1%.

    Answer by tnm786 at 6:39 PM on Oct. 21, 2010

  • Nobody HAS to have them.... But they do recommend them for high risk pregnancies, and when you're over a certain age (35, I believe). I had one with my first child, because they found an enlarged ventricle on the "big" ultrasound, which COULD be an indication of something more serious. He ended up fine, though. I'm going to have one for this pregnancy on Nov 2. Basically, they insert a needle and extract some of the amniotic fluid. They can check that for chromosomal abnormalities. There IS a slight risk of miscarriage, but it's very slight... Usually you have one between 16 and 20 weeks.

    Answer by Anouck at 6:04 PM on Oct. 21, 2010

  • i had
    older and high rik
    i had 2 really
    first doc tried twice and so very painful, she moved needle after it was in=NOT the way to do it i think
    she was unable, so i went to doc in big city, specialist, he did it and i did not feel a thing!!
    like night and day
    i changed doctors after this

    ps, test came back fine, after blood work said 1 in 20 chance of downs

    if you have to have done, or choose to have done- go to a specialist!!!

    Answer by fiatpax at 6:05 PM on Oct. 21, 2010

  • ah im sorry, i didnt mean to say not recommended. i meant to say not mandatory. lol i have no idea where recommended came from!

    Answer by tnm786 at 6:40 PM on Oct. 21, 2010

  • and that should be around the belly button area.. not in it.. jeez!

    Answer by tnm786 at 6:41 PM on Oct. 21, 2010

  • You don't have to do it. Even if you are high risk. I am high risk and flat out refused every time. It's advised especially if you are over 35, but not necessary.

    Answer by 2autisticsmom at 7:33 PM on Oct. 21, 2010