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2. Noninvasive prenatal testing - Wikipedia

   en.wikipedia.org/wiki/Noninvasive_prenatal_testing

   Noninvasive prenatal testing (NIPT) is a method used to determine the risk for the fetus being born with certain chromosomal abnormalities, such as trisomy 21, trisomy 18 and trisomy 13. [ 1 ] [ 2 ] [ 3 ] This testing analyzes small DNA fragments that circulate in the blood of a pregnant woman. [ 4 ]

3. Cell-free fetal DNA - Wikipedia

   en.wikipedia.org/wiki/Cell-free_fetal_DNA

   An example of an algorithm for determining the indication for prenatal genetic testing for trisomy 21 (Down syndrome), wherein the genetic blood test (in center) is performed by detecting cffDNA in a blood sample from the mother. [60] Trisomy 21. Fetal trisomy of chromosome 21 is the cause of Down's syndrome.

4. Prenatal testing - Wikipedia

   en.wikipedia.org/wiki/Prenatal_testing

   Prenatal testing consists of prenatal screening and prenatal diagnosis, which are aspects of prenatal care that focus on detecting problems with the pregnancy as early as possible. [1] These may be anatomic and physiologic problems with the health of the zygote , embryo , or fetus , either before gestation even starts (as in preimplantation ...

5. Hemolytic disease of the newborn (anti-Kell) - Wikipedia

   en.wikipedia.org/wiki/Hemolytic_disease_of_the...

   This blood test is non-invasive to the fetus and is an easy way of checking antigen status and risk of HDN. For patients in the United States, BillionToOne, Inc. based in Menlo Park, California offers a non-invasive prenatal test (NIPT) called Unity that can used to determine the fetal Rh antigen for mothers who are Rh negative. Because Unity ...

6. Cordlife - Wikipedia

   en.wikipedia.org/wiki/Cordlife

   Non-invasive prenatal testing ("NIPT") is a relatively new and highly accurate prenatal screening test that analyses foetal DNA in the mother's blood for potential foetal chromosomal abnormalities, including Down syndrome, Edwards syndrome and Patau syndrome.

7. Triple test - Wikipedia

   en.wikipedia.org/wiki/Triple_test

   The triple test, also called triple screen, the Kettering test or the Bart's test, is an investigation performed during pregnancy in the second trimester to classify a patient as either high-risk or low-risk for chromosomal abnormalities (and neural tube defects). The term "multiple-marker screening test" is sometimes used instead.

8. Genetics and abortion - Wikipedia

   en.wikipedia.org/wiki/Genetics_and_abortion

   The genetics and abortion issue is an extension of the abortion debate and the disability rights movement.Since the advent of forms of prenatal diagnosis, such as amniocentesis and ultrasound, it has become possible to detect the presence of congenital disorders in the fetus before birth.

9. Nuchal scan - Wikipedia

   en.wikipedia.org/wiki/Nuchal_scan

   Screening for Down syndrome by a combination of maternal age and thickness of nuchal translucency in the fetus at 11–14 weeks of gestation was introduced in the 1990s. [7] This method identifies about 75% of affected fetuses while screening about 5% of pregnancies. Natural fetal loss after positive diagnosis at 12 weeks is about 30%. [6]