How to use Amniocentesis in a sentence
If these scans give more cause for concern you may be given counseling and be offered an amniocentesis.
It also means that older mothers can be given a low risk for Down syndrome without having to undergo an amniocentesis.
One death followed amniocentesis; a few followed miscarriage or termination.
Mums-to-be are currently offered the traditional method in which a needle is inserted inside the womb (amniocentesis or chorion villus sampling ).
Procedures such as amniocentesis or chorionic villus sampling allow small amounts of the baby's cells to be removed for examination.Advertisement
Testing can also be done by amniocentesis after 16 weeks gestation by removing a small amount of the amniotic fluid surrounding the baby and analyzing the cells in the fluid.
An amniocentesis may be performed in which fetal cells are removed from the amniotic fluid and enzyme activity is measured.
Amniocentesis (sampling amniotic fluid) between 20 and 24 weeks of gestation can detect toxoplasmosis in the fetus.
This often means more frequent visits to the healthcare provider, serial ultrasounds to make sure that the babies are growing satisfactorily, amniocentesis to check for lung development, and close monitoring for preterm labor.
Fluorescence in situ hybridization (FISH)-A technique for diagnosing genetic disorders before birth by analyzing cells obtained by amniocentesis with DNA probes.Advertisement
Tests such as amniocentesis and ultrasonography can determine whether a fetus is developing normally in the womb.
Prenatal genetic testing is possible through amniocentesis.
In the early 2000s, a blood test has been developed that can identify carriers of the gene for some types of albinism; a similar test during amniocentesis can diagnose some types of albinism in an unborn child.
Prenatal diagnosis of types A and B NPD can be done with amniocentesis or chorionic villi sampling.
Amniocentesis or chorionic villi sampling can be used to determine if the fetus has Tay-Sachs disease.Advertisement
During pregnancy, cell samples can be collected from the fetus using amniocentesis or chorionic villi sampling.
Genetic counseling and further testing, such as chromosome analysis before pregnancy, or amniocentesis during pregnancy, may be recommended in adults with atrial septal defects.
Such monitoring may include frequent visits with the primary caregiver, tests to monitor the medical problem, blood tests to check the levels of medication, amniocentesis, serial ultrasound examination, and fetal monitoring.
Fetal heart rate monitoring may be necessary, or amniocentesis may be required.
Genetic counseling and further testing, such as chromosome analysis before pregnancy or amniocentesis during pregnancy, may be recommended in adults with congenital cardiovascular defects.Advertisement
This can be accomplished using procedures such as an amniocentesis or chorionic villus sampling (CVS), after which parents can explore their options relating to the pregnancy.
When a woman is already pregnant, tests can be performed on either the cells of the fetus (amniocentesis) or the placenta (chorionic villus sampling) to determine whether the baby will have Tay-Sachs disease.
Since additional congenital defects preclude prenatal surgery, amniocentesis or chorionic villi sampling (CVS) are used to check for chromosomal abnormalities in the fetus.
An amniocentesis or chorionic villus sampling can be used to obtain fetal cells which can be analyzed for the RB1 gene change/deletion or chromosomal abnormality.
Genetic testing for and detection of the fragile X mutation can be performed on the developing baby before birth through amniocentesis, chorionic villus sampling (CVS), and percutaneous umbilical blood sampling.Advertisement
For unknown reasons, amniocentesis, a prenatal test, has also been associated with clubfoot.
Amniocentesis is generally done between 15 and 22 weeks of pregnancy but can sometimes be offered earlier.
The risk of miscarriage associated with amniocentesis ranges from 0.33 to 0.5 percent.
Patau syndrome is detectable during pregnancy through the use of ultrasound imaging, amniocentesis, and chorionic villus sampling (CVS).
There is no known way to prevent Patau syndrome though it can be diagnosed prenatally via amniocentesis.
Amniocentesis is a procedure that involves inserting a thin needle into the uterus, into the amniotic sac, and withdrawing a small amount of amniotic fluid.
Amniocentesis is performed at 16 to 18 weeks of pregnancy.
It can also be done by amniocentesis after 14 weeks gestation by removing a small amount of the amniotic fluid surrounding the fetus and analyzing the cells in the fluid.
Amniocentesis is a procedure used to diagnose fetal defects in the early second trimester of pregnancy.
Since the mid-1970s, amniocentesis has been used routinely to test for Down syndrome, by far the most common, nonhereditary, genetic birth defect, afflicting about one in every 1,000 babies.
Amniocentesis, often called amnio, is recommended for women who will be older than 35 on their due-date.
Nearly half of all pregnant women over 35 in the United States undergo amniocentesis and many younger women also decide to have the procedure.
One of the most common reasons for performing amniocentesis is an abnormal alpha-fetoprotein (AFP) test.
Amniocentesis is generally performed during the 16th week of pregnancy, with results usually available within three weeks.
The word amniocentesis literally means "puncture of the amnion," the thin-walled sac of fluid in which a developing fetus is suspended during pregnancy.
Almost all obstetricians are experienced in performing amniocentesis.
Most of the risks and short-term side effects associated with amniocentesis relate to the sampling procedure and have been discussed above.
Infection. Infection, although rare, can occur after amniocentesis.
Amniocentesis is recommended if such a probability occurs.
However, the predictive value of amniocentesis in diagnosing Turner syndrome varies from 21 to 67 percent.
Amniocentesis is a method of withdrawing amniotic fluid from the placenta to allow examination of fetal cell DNA shed into the amniotic fluid, helping to identify genetic mutations.
Amniocentesis can be performed at 15 to 18 weeks gestation and is associated with a one in 200 risk of miscarriage.
Potential tests include maternal serum alpha-fetal protein analysis or screening, ultrasonography, amniocentesis, and chorionic villus sampling.
This test is not a definitive indicator of a problem and is followed by more specific testing such as amniocentesis or chorionic villus sampling.
This can be done in pregnancy with prenatal testing such as chorionic villus sampling or amniocentesis.
An amniocentesis is done further along in pregnancy (from approximately 16-18 weeks) to obtain a sample of fluid surrounding the baby for testing.
If the maternal screening test indicates an abnormally low AFP, amniocentesis is used to diagnosis the problem.
For a fetus, AFP can also be measured in the sample of amniotic fluid taken at the time of amniocentesis.
Cri du chat syndrome can be detected before birth if the mother undergoes amniocentesis testing or chorionic villus sampling (CVS).
Amniocentesis may reveal trisomies or other chromosomal abnormalities.
Specialized testing of chromosome 15 will be required; the usual tests done during amniocentesis or chorionic villi sampling will not reveal the specific, small genetic flaw that causes Angelman syndrome.
An experienced obstetrician/perinatologist performs the amniocentesis or the cordocentesis.
For the amniocentesis, an US is used to determine an appropriate place to insert a needle and withdraw amniotic fluid for testing.
Electronic fetal monitoring occurs after an amniocentesis or cordocentesis to assure fetal well-being.
There are potential complications from an amniocentesis, i.e., preterm labor, spontaneous rupture of membranes, fetal or placental injury; and the clinician performing the procedure should explain what these are prior to the procedure.
If little surfactant is found in an amniotic fluid sample taken by placing a needle in the uterus (amniocentesis), there is a definite risk of RDS.
The purpose of the test is to determine if further testing (such as ultrasound or amniocentesis) is warranted.
Amniocentesis is a more invasive test that carries a higher risk of complications than blood tests or ultrasonography, but is able to determine more precisely the presence of certain birth defects.
During amniocentesis, a doctor inserts a thin needle through a woman's abdomen and into the uterus.
Amniocentesis is typically performed during the second trimester of pregnancy and particularly in mothers over the age of 40.
The risks are similar to those associated with amniocentesis.
Then, early in a pregnancy, cells can be obtained from the developing fetus by chorionic villus sampling or amniocentesis and checked for the same mutation.
Fetal assessment includes percutaneous umbilical cord blood sampling (PUBS) (cordocentesis), amniocentesis, amniotic fluid analysis, and ultrasound.
Rhogam should also be given after any episode of bleeding and after amniocentesis or chorionic villus sampling.
This is usually done either by amniocentesis or chorionic villus sampling (CVS).
In amniocentesis, a small amount of the fluid in which the baby is floating is withdrawn with a long, thin needle.
Both amniocentesis and CVS allow the baby's own karyotype to be determined.
If it is positive, you may need additional tests, such as ultrasound or amniocentesis, to find out if anything is really wrong.
In some pregnancies, it is necessary for women to undergo a procedure called an amniocentesis.
An amniocentesis is a procedure that is only carried out under circumstances that determine the absolute need to do so.
Due to the small risk of miscarriage, amniocentesis is not a decision that is taken lightly by the obstetricians or the expectant parents.
Amniocentesis is believed to be around 99.4 percent accurate, so results can offer relatively good peace of mind to parents.
Down syndrome is a chromosomal mutation that can be identified during pregnancy through amniocentesis.
When you and your doctor are deciding what type of prenatal testing you need, make sure you consider some common amniocentesis risks.
Amniocentesis, also known as an amnio, is one of several tests that your doctor may recommend during your pregnancy.
Due to some possible amniocentesis risks, this procedure is usually only performed if the pregnancy is considered high-risk or if there were any abnormalities found on an earlier ultrasound.
When performed by a skilled physician and with careful ultrasound guidance, amniocentesis is usually a safe procedure.
Amniocentesis is generally a very safe procedure.
If you have any reason to suspect that your child may be born with a health condition, the benefits of amniocentesis may outweigh the risks.
Because of some rare but serious risks associated with an amniocentesis, it is usually only performed if there is a reason to suspect a problem.
Amniocentesis results are more than 90 percent accurate, giving you one of the most precise previews into your child's health.
One of the major benefits of amniocentesis is that it helps you prepare for medical treatments your child may need following birth.
A doctor will usually perform a maturity amniocentesis first to check the baby's lungs.
This is one example where the benefits of amniocentesis usually outweigh the risks of delivering a premature baby.
If you are pregnant you may find yourself asking, "What is amniocentesis?"
Amniocentesis is one of the optional tests performed during pregnancy to detect birth defects in the baby.
Most women will not need an amniocentesis.
Amniocentesis is performed on an outpatient basis between the 15th and 20th week of pregnancy.
A specialist in a medical center who has experience with the procedure should do your amniocentesis.
Most women who have had an amniocentesis say the test is usually not painful, however a few women describe a mild cramping pain similar to menstruation cramps.
What is amniocentesis going to find out?
Amniocentesis is considered to be about 99 percent accurate.
Of the over 400 abnormalities a child can be born with, amniocentesis can identify forty of them.
Because there is a slight risk of miscarriage or losing the baby due to an amniocentesis, only women in the high-risk groups should get one.
Most amniocentesis results will turn out normal or, in other words, the test will not detect any chromosomal irregularities and you will go away from your doctor's appointment with a sense of relief.
If your amniocentesis comes back with an abnormality, the doctor can do further testing to find out exactly what is wrong with the baby.
Most doctors feel that the benefits of an amniocentesis far outweigh the risks of the test for women in the risk groups.
There are other options to an amniocentesis if you feel strongly against having one.
In the second trimester, amniocentesis might be done to look for the same abnormalities.
You'll have a second ultrasound to check the baby's development (and gender if you're interested), and some women have amniocentesis performed if there is any reason to believe that something may be amiss with the developing fetus.
She had gone back to the doctor and had an amniocentesis done.
They asked my permission to do an amniocentesis to check for fetal lung maturity.
Millions of parents have already used amniocentesis and sonograms to diagnose Down's syndrome or cystic fibrosis.