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  2. Amniocentesis - Wikipedia

    en.wikipedia.org/wiki/Amniocentesis

    Amniocentesis is a medical procedure used primarily in the prenatal diagnosis of genetic conditions. [1] It has other uses such as in the assessment of infection and fetal lung maturity. [ 2 ] Prenatal diagnostic testing, which includes amniocentesis, is necessary to conclusively diagnose the majority of genetic disorders, with amniocentesis ...

  3. Amniotic sac - Wikipedia

    en.wikipedia.org/wiki/Amniotic_sac

    Amniocentesis is a medical procedure where fluid from the sac is sampled during fetal development, between 15 and 20 weeks of pregnancy, to be used in prenatal diagnosis of chromosomal abnormalities and fetal infections. [7]

  4. Amniotic fluid - Wikipedia

    en.wikipedia.org/wiki/Amniotic_fluid

    Amniotic fluid is removed from the mother by an amniocentesis procedure, where a long needle is inserted through the abdomen into the amniotic sac, using ultrasound guidance such that the fetus is not harmed. Amniocentesis is a low risk procedure, with risk of pregnancy loss between 1 in 1,500 – 1 in 700 procedures.

  5. Prenatal testing - Wikipedia

    en.wikipedia.org/wiki/Prenatal_testing

    Chorionic villus sampling (CVS) and Amniocentesis are the most invasive prenatal tests because there is greater associated risk and the sample is more difficult to access. These procedures are done via needle insertion into the abdomen in order to collect a sample within the uterus, meaning exceptional care/precision is required. [37]

  6. Percutaneous umbilical cord blood sampling - Wikipedia

    en.wikipedia.org/wiki/Percutaneous_umbilical...

    To reduce the risk of intraamniotic infection, antibiotics are supplied through the intravenous access about 30–60 minutes before the procedure. If movement of the fetus is a risk to the success of the procedure, the fetus may be paralyzed using a fetal paralytic drug. [10] This image shows anterior blood sampling from the umbilical cord.

  7. Amniotic stem cells - Wikipedia

    en.wikipedia.org/wiki/Amniotic_stem_cells

    As opposed to mesenchymal stem cells, embryonic-like stem cells are not abundant in the amniotic fluid, making up less than 1% of amniocentesis samples. Embryonic-like stem cells were originally identified using markers common to embryonic stem cells such as nuclear Oct4, CD34, vimentin, alkaline phosphatase, stem cell factor and c-Kit. However ...

  8. Obstetrics - Wikipedia

    en.wikipedia.org/wiki/Obstetrics

    Amniocentesis is the national standard for women over 35 or who reach 35 by mid pregnancy or who are at increased risk by family history or prior birth history. [ 16 ] Third trimester

  9. Amniotic stem cell bank - Wikipedia

    en.wikipedia.org/wiki/Amniotic_stem_cell_bank

    Amniotic stem cells are collected from amniotic fluid extracted during a genetic amniocentesis, a prenatal diagnosis procedure typically performed during the 2nd trimester of pregnancy. For the purpose of stem cell preservation, a small amount of the fluid withdrawn for genetic analysis is saved in a collection container for transport to a ...