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'''Amniocentesis''' is the process of obtaining a sample of amniotic fluid surrounding the [[fetus]] by puncturing the abdomen of a [[pregnant]] woman with a very fine, hollow needle.
Cells and other substances shed by the fetus into the fluid are used for diagnosing various abnormalities, such as [[Down's Syndrome]].
Amniocentesis can also be used to determine the gender of a baby 95% of the time.
== Sources ==
The New American Desk Encyclopedia, Penguin Group, 1989
[[Category: Medicine]]
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