amniocentesis
noun
amĀ·nioĀ·cenĀ·teĀ·sis
| \ Ėam-nÄ-Å-(Ė)sen-ĖtÄ-sÉs
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plural amniocenteses\ -ĖsÄz
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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
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, "These 4 Inspirational Women Went to Great Lengths for Their Kids," 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, "Pa. lawmakers pushing controversial bill banning Down syndrome abortions," 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, "NHL Star Erik Karlsson and His Wife Lost Their Son a Month Before He Was Due," 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, "Mothers-To-Be Arenāt Told Enough About Genetic Testing," 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, "Does It Really Matter If You Have Kids After 35?," 27 July 2017 During amniocentesis, a needle is inserted and some of the amniotic fluid surrounding the baby is withdrawn and tested for the virus.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, "C.D.C. Urges Zika Testing for Some Who Are Pregnant," 19 Jan. 2016 A doctor recommended an amniocentesis to test for genetic abnormalities. — Martha Ross, The Mercury News, "Princeās greatest heartbreak, death of infant son, detailed for first time: āI donāt think he ever got over it.ā," 15 Mar. 2017 Family members said Dr. Littlefieldās greatest legacy may be his work in the use of amniocentesis ā the isolation of fetal cells from the womb that diagnoses genetic disorders in fetuses. — Frederick N. Rasmussen, Washington Post, "John W. Littlefield, former pediatrics chief at Hopkins, dies at 91," 1 May 2017These 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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More Definitions for amniocentesis
amniocentesis
noun
English Language Learners Definition of amniocentesis
medical
: a test that is done to check for possible health problems in a baby that is not yet born
See the full definition for amniocentesis in the English Language Learners Dictionary
amniocentesis
noun
amĀ·nioĀ·cenĀ·teĀ·sis
| \ Ėam-nÄ-Å-(Ė)sen-ĖtÄ-sÉs
\
\
plural amniocenteses\ -ĖsÄz
\
\
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