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amniocentesis

DEFINITIONS OF: amniocentesis

1

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

Synonyms:
amnio
Type of:
prenatal diagnosis
any of the diagnostic procedures used to determine whether a fetus has a genetic abnormality
centesis
(surgery) the act of puncturing a body cavity or organ with a hollow needle in order to draw out fluid
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