amniocentesis
noun
- medical procedure used primarily in prenatal diagnoses of chromosomal abnormalities and fetal infections
Wiktionary
Pronunciation: /ˌam.nɪ.ə(ʊ).sɛnˈtiːs.ɪs/
noun
Etymology: By surface analysis, amnio- + -centesis.
- 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.”