amniocentesis amniocentesis  /ˌæm ni oʊ ˌsɛn ˈti sɪs/


  • (n) (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities


  1. An ultrasound scan is taken before an amniocentesis procedure is performed.
  2. A British researcher claims his study may lead to early screening for autism via amniocentesis.
  3. One of the best ways to confirm Down syndrome before birth is by amniocentesis, which uses a needle to remove a sample of the amniotic fluid surrounding a fetus.


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cynic cynic
/ˈsɪ nɪk /