A before-birth diagnostic procedure during which a long needle is used to obtain amniotic fluid from within the uterus. This fluid can be used for genetic and other diagnostic tests. Informally known as amnio.

(am-nee-oh-sen-tee-sis) A technique for determining genetic abnormalities in a fetus by the presence of certain chemicals or defective fetal cells in the amniotic fluid, obtained by aspiration from a [..]

The process of obtaining abdominal fluid by puncturing the abdomen with a needle and going through the walls of the uterus to obtain it.

The suction of fluid from the amniotic sac through the use of a needle inserted through the abdomen.

1958, Modern Latin, from amnion (see amniotic) + centesis "surgical puncture," from Greek kentesis "a pricking," from kentein "to prick," related to kontos "pole&quo [..]

A prenatal test that examines the fluid that surrounds and protects the fetus. If indicated, usually performed between 15–18 weeks of pregnancy to detect certain birth defects.

Procedure used for prenatal genetic testing to obtain a sample of amniotic fluid from a pregnant woman. A long sterile needle is inserted through the abdominal wall into the amniotic sac to obtain the [..]

A medical test done on pregnant women to check for abnormalities in the foetus.

(am´´ne-o-sen-te´sis) A procedure in which a sample of amniotic fluid is aspirated to examine suspended cells for various genetic diseases. amnion

Procedure for withdrawing a sample of fluid around the developing embryo for examination of chromosomes in the embryonic cells and other tests. amnion

  A procedure for obtaining amniotic fluid from a pregnant mammal for the diagnosis of some diseases in the unborn foetus. Cells are cultured, and metaphase chromosomes are examined for irregularities [..]

Removal of amniotic fluid that surrounds the embryo. The fluid contains fetal cells that can be used for prenatal diagnosis.

(French : amniocentèse) Transabdominal or transuterine aspiration of amniotic fluid usually performed during the second trimester of pregnancy, for instance in the process of prenatal diagnosis of a g [..]

A procedure used in prenatal diagnosis to look at the chromosomes of the developing fetus. A flexible needle is inserted into the mother's uterus through the abdomen to remove a sample of the flu [..]

A type of prenatal testing that can be done as early as the 14th week of pregnancy. Amniocentesis can detect SMA in a fetus, but is associated with a risk of miscarriage that may be as high as 1 in 20 [..]

if necessary, this test is performed between 15 and 20 weeks of pregnancy and can indicate chromosomal abnormalities such as Down syndrome, or genetic disorders such as Tay Sachs disease, sickle cell [..]

Amniocentesis is a procedure preformed on pregnant women to test for chromosomal abnormalities, genetic birth defects and certain other conditions. Using ultrasound as a guide, the health care provide [..]

(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

A way of testing the fluid surrounding a baby in the womb by taking a small sample with a needle put into the womb through the abdomen. It can be carried out after the 15th week of pregnancy, and can [..]

Percutaneous transabdominal Puncture of the Uterus during Pregnancy to obtain Amniotic Fluid. It is commonly used for fetal Karyotype determination in order to diagnose abnormal fetal conditions.

Percutaneous transabdominal puncture of the uterus during pregnancy to obtain amniotic fluid. It is commonly used for fetal karyotype determination in order to diagnose abnormal fetal conditions.

A procedure in which a sample of amniotic sac fluid is withdrawn from the amniotic sac of a developing fetus and cells are cultured and examined for chromosomal abnormalities.

1. A procedure for obtaining amniotic fluid for prenatal diagnosis. 2. The genetic analysis of a sample of amniotic fluid from the womb.

A prenatal test in which cells surrounding a fetus are removed in order to examine the chromosomes. 

A procedure by which a small amount of amniotic fluid (the fluid surrounding a baby in the womb) is drawn out using a needle inserted in to the mother's abdomen. This fluid contains cells from the baby and can be used to test for chromosomal and genetic disorders, as well as certain birth defects before the baby is born.

<procedure> <obstetrics> Sampling of the fluid in the amniotic sac. In humans this is carried out, between the 12th and 16th week of pregnancy, by inserting a needle through the abdominal wall into the uterus. By karyotyping the cells and determining the proteins present, it is possible to determine the sex of the foetus and whether it [..]

A technique for testing the genotype of an embryo or fetus in utero with minimal risk to the mother or the child.

(medicine) 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 def [..]

A procedure in which a small amount of amniotic fluid (fluid around the baby) is removed through a needle from the fluid filled sac, in which the baby is living. It is done at about 16 weeks of pregna [..]

 Aspiration of amniotic fluid, usually transabdominally, for diagnostic or therapeutic purposes.

A procedure done in the second trimester of pregnancy that can detect many fetal abnormalities. It is performed by sampling a small quantity of the amniotic fluid that surrounds the fetus with a needle under ultrasound guidance. – See more at: http://www.rmact.com/infertility-resources/glossary-of-terms#sthash.294GTdif.dpuf  

a medical procedure performed on pregnant women that can identify possible fetal abnormalities by running lab tests on amniotic fluid. It involves inserting a needle through the woman's abdomen and into the amniotic sac and then removing an amount of amniotic fluid for testing.