amniocentesis

noun
am·​nio·​cen·​te·​sis | \ ˌam-nē-ō-(ˌ)sen-ˈtē-səs How to pronounce amniocentesis (audio) \
plural amniocenteses\ ˌam-​nē-​ō-​(ˌ)sen-​ˈtē-​ˌsēz How to pronounce amniocentesis (audio) \

Definition of amniocentesis

: the surgical insertion of a hollow needle through the abdominal wall and into the uterus to obtain amniotic fluid especially for the determination of fetal sex or chromosomal abnormality

Examples of amniocentesis in a Sentence

Recent Examples on the Web Since then, the use of very invasive needle-to-the-womb amniocentesis testing has dropped. Andy Kessler, WSJ, 5 July 2020 One allows doctors to do prenatal genetic screening with a simple blood draw, without a risky amniocentesis procedure. Paul R. Michel And Matthew J. Dowd, WSJ, 23 Jan. 2020 Terry Jo, who worked as a midwife, had suffered two miscarriages after the birth of her daughters, but the results of her amniocentesis and chromosome testing had come back normal. Shelley Levitt, Woman's Day, 4 Dec. 2018 Down syndrome can be detected in fetuses through blood tests and amniocentesis, a test that samples amniotic fluid in the uterus to detect developmental abnormalities. Gillian Mcgoldrick, Philly.com, 13 June 2018 That can include amniocentesis, which tests your amniotic fluid; an autopsy of the baby; genetic testing of the baby; and testing for infections on the baby or placenta, the March of Dimes says. Korin Miller, SELF, 22 Mar. 2018 That result spurred me to have an amniocentesis, which extracted fetal DNA via a long, thin needle inserted into my womb. Bonnie Rochman, Time, 31 July 2017 Those are also the odds of having a miscarriage from amniocentesis, a diagnostic test for chromosomal abnormalities (including Down syndrome) that takes fluid with a needle from the amniotic sac that surrounds the baby, Dr. Streicher explains. Korin Miller, Glamour, 27 July 2017 During amniocentesis, a needle is inserted and some of the amniotic fluid surrounding the baby is withdrawn and tested for the virus. Donald G. Mcneil Jr., New York Times, 19 Jan. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amniocentesis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amniocentesis

1957, in the meaning defined above

History and Etymology for amniocentesis

New Latin, from amnion + centesis puncture, from Greek kentesis, from kentein to prick — more at center

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The first known use of amniocentesis was in 1957

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Dictionary Entries Near amniocentesis

amniocardiac vesicle

amniocentesis

amniochorion

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Cite this Entry

“Amniocentesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amniocentesis. Accessed 25 Sep. 2021.

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More Definitions for amniocentesis

amniocentesis

noun

English Language Learners Definition of amniocentesis

: a test that is done to check for possible health problems in a baby that is not yet born

amniocentesis

noun
am·​nio·​cen·​te·​sis | \ ˌam-nē-ō-(ˌ)sen-ˈtē-səs How to pronounce amniocentesis (audio) \
plural amniocenteses\ -​ˌsēz How to pronounce amniocentesis (audio) \

Medical Definition of amniocentesis

: the surgical insertion of a hollow needle through the abdominal wall and into the uterus of a pregnant female to obtain amniotic fluid especially to examine the fetal chromosomes for an abnormality and for the determination of sex

More from Merriam-Webster on amniocentesis

Britannica English: Translation of amniocentesis for Arabic Speakers

Britannica.com: Encyclopedia article about amniocentesis

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