prenatal screening

prenatal screening
screening tests carried out to estimate the risk of chromosomal or other abnormalities being present in a developing fetus. They include blood tests to measure levels of human chorionic gonadotrophin (hCG), PAPP-A, alpha-fetoprotein (AFP), and unconjugated oestriol (uE3) (see also triple test) and also ultrasound scanning for the presence of soft markers (see ultrasound marker, nuchal translucency scanning). If the results indicate a high risk of abnormalities being present, a diagnosis may be confirmed by more invasive procedures (see prenatal diagnosis).

The new mediacal dictionary. 2014.

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  • prenatal — pre|na|tal [ˌpri:ˈneıtl] adj [only before noun] relating to unborn babies and the care of ↑pregnant women British Equivalent: antenatal ▪ prenatal care ▪ prenatal screening >prenatally adv …   Dictionary of contemporary English

  • prenatal diagnosis — antenatal diagnosis diagnostic procedures carried out on pregnant women in order to detect the presence of genetic or other abnormalities in the developing fetus. Ultrasound scanning (see ultrasonography) remains the cornerstone of prenatal… …   The new mediacal dictionary

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