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Amniocentesis

Written by Dr. Vivek | Medically Reviewed by Dr. Sunil Shroff, MBBS, MS, FRCS (UK), D. Urol (Lond) on Feb 10, 2010
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Amniocentesis - Procedure

The procedure involves in getting a small sample of "amniotic fluid" from around the fetus. The details are as follows:

  • Local anesthesia is used for the procedure.
  • It is done under strict aseptic condition.
  • A thin needle of 21 or 22 gauge needle is inserted under ultrasound imaging guidance to aspirate the fluid.
  • A sample of the amniotic fluid (about 20-30 cc) is then withdrawn through the needle.
  • The amniotic fluid contains cells called "Fetal Fibroblasts", which are shed by the developing baby.
  • The cells are drawn into a plastic syringe and taken to a laboratory.
  • These cells are allowed to grow and multiply in a laboratory until there are enough for the test.
  • The level of AFP (Alfa Feto Protein) in the amniotic fluid is also checked, to look for neural tube defects.
  • Genetic analysis through amniocentesis is highly accurate but occasionally results may not be obtained.
  • As there is very mild to no pain, there is seldom any need for medication after the procedure.

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Dannien, United States

like aminocynthesis.. also for internal bleeding filling needle and leaving coagelants.. like when paracardian fills too much. [heart sack] a. - for small heart attack bleeding hearts, filling such hole in the vessels by an large amount of filler, (like salt?), to fill up hole in heart attack area. stopping the such bleeding. then add more blood if blood loss shows, for high blood pressure, relieve such pressure by draining alot of blood from body, thus to relieve too much blood pressure, or a little once in a while to drain some high pressure in blood. 1. - needle injected into head to relieve blood and its presssure of strokes and adding to it into the brain area, coagulants to stop up the internal brain bleeding. renewing cells and cleansing them as liquid and solids. a diabetic patch? to dispearse insulin through skin patch.. sugar detector for in foods seeing how much sugar is in a specific food substance.

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