Amniocentesis

noun

Definitions

Noun
  1. 1
    A procedure for obtaining amniotic fluid from a pregnant animal, by inserting a hollow needle through the abdominal wall and into the amniotic sac. Used in diagnosing possible genetic defects and/or obstetric complications, or simply to drain excess amniotic fluid.

    "In most countries amniocentesis is now offered to – perhaps even imposed on – all older mothers, to check whether the foetus carries an extra chromosome."

  2. 2
    (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 wordnet

Etymology

By surface analysis, amnio- + -centesis.

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