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36 relations: Acetylcholinesterase, Activin and inhibin, Ageing, Alpha-fetoprotein, Amniocentesis, Cell-free fetal DNA, Chorionic villus sampling, Combined rapid anterior pituitary evaluation panel, Down syndrome, Edwards syndrome, Estriol, Fetus, Gastroschisis, Gestational age, Human chorionic gonadotropin, Medical diagnosis, Multiple birth, Neural tube defect, Nuchal scan, Omphalocele, Patau syndrome, Polyploid, Pregnancy, Prenatal testing, Screening (medicine), Sensitivity and specificity, Serum (blood), Smith–Lemli–Opitz syndrome, Spina bifida, Stillbirth, Trisomy 16, Turner syndrome, Twin, Type I and type II errors, Ultrasound, X-linked ichthyosis.
Acetylcholinesterase
Acetylcholinesterase, encoded by HGNC gene ACHE; EC 3.1.1.7) is the primary cholinesterase in the body. It is an enzyme that catalyzes the breakdown of acetylcholine and of some other choline esters that function as neurotransmitters. AChE is found at mainly neuromuscular junctions and in chemical synapses of the cholinergic type, where its activity serves to terminate synaptic transmission. It belongs to carboxylesterase family of enzymes. It is the primary target of inhibition by organophosphorus compounds such as nerve agents and pesticides.
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Activin and inhibin
Activin and inhibin are two closely related protein complexes that have almost directly opposite biological effects.
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Ageing
Ageing or aging (see spelling differences) is the process of becoming older.
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Alpha-fetoprotein
Alpha-fetoprotein (AFP, α-fetoprotein; also sometimes called alpha-1-fetoprotein, alpha-fetoglobulin, or alpha fetal protein) is a protein that in humans is encoded by the AFP gene.
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Amniocentesis
Amniocentesis (also referred to as amniotic fluid test or AFT) is a medical procedure used in prenatal diagnosis of chromosomal abnormalities and fetal infections, and also for sex determination, in which a small amount of amniotic fluid, which contains fetal tissues, is sampled from the amniotic sac surrounding a developing fetus, and then the fetal DNA is examined for genetic abnormalities.
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Cell-free fetal DNA
Cell-free fetal DNA (cffDNA) is fetal DNA which circulates freely in the maternal blood.
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Chorionic villus sampling
Chorionic villus sampling (CVS), sometimes called "chorionic villous sampling" (as "villous" is the adjectival form of the word "villus"), is a form of prenatal diagnosis to determine chromosomal or genetic disorders in the fetus.
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Combined rapid anterior pituitary evaluation panel
A triple bolus test or a dynamic pituitary function test is a medical diagnostic procedure used to assess a patient's pituitary function.
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Down syndrome
Down syndrome (DS or DNS), also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
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Edwards syndrome
Edwards syndrome, also known as trisomy 18, is a genetic disorder caused by the presence of all, or part of a third copy of chromosome 18.
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Estriol
Estriol (E3), also spelled oestriol, is a steroid, a weak estrogen, and a minor female sex hormone.
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Fetus
A fetus is a stage in the prenatal development of viviparous organisms.
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Gastroschisis
Gastroschisis is a birth defect in which the baby's intestines extend outside of the body through a hole next to the belly button.
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Gestational age
Gestational age is a measure of the age of a pregnancy which is taken from the woman's last menstrual period (LMP), or the corresponding age of the gestation as estimated by a more accurate method if available.
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Human chorionic gonadotropin
Human chorionic gonadotropin (hCG) is a hormone produced by the placenta after implantation.
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Medical diagnosis
Medical diagnosis (abbreviated Dx or DS) is the process of determining which disease or condition explains a person's symptoms and signs.
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Multiple birth
A multiple birth is the culmination of one multiple pregnancy, wherein the mother delivers two or more offspring.
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Neural tube defect
Neural tube defects (NTDs) are a group of birth defects in which an opening in the spinal cord or brain remains from early in human development.
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Nuchal scan
A nuchal scan or nuchal translucency (NT) scan/procedure is a sonographic prenatal screening scan (ultrasound) to detect cardiovascular abnormalities in a fetus, though altered extracellular matrix composition and limited lymphatic drainage can also be detected.
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Omphalocele
Omphalocele, also called exomphalos, is a rare abdominal wall defect in which the intestines, liver and occasionally other organs remain outside of the abdomen in a sac because of failure of the normal return of intestines and other contents back to the abdominal cavity during around the ninth week of intrauterine development.
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Patau syndrome
Patau syndrome is a syndrome caused by a chromosomal abnormality, in which some or all of the cells of the body contain extra genetic material from chromosome 13.
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Polyploid
Polyploid cells and organisms are those containing more than two paired (homologous) sets of chromosomes.
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Pregnancy
Pregnancy, also known as gestation, is the time during which one or more offspring develops inside a woman.
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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.
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Screening (medicine)
Screening, in medicine, is a strategy used in a population to identify the possible presence of an as-yet-undiagnosed disease in individuals without signs or symptoms.
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Sensitivity and specificity
Sensitivity and specificity are statistical measures of the performance of a binary classification test, also known in statistics as a classification function.
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Serum (blood)
In blood, the serum is the component that is neither a blood cell (serum does not contain white or red blood cells) nor a clotting factor; it is the blood plasma not including the fibrinogens.
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Smith–Lemli–Opitz syndrome
Smith–Lemli–Opitz syndrome (also SLOS, or 7-dehydrocholesterol reductase deficiency) is an inborn error of cholesterol synthesis.
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Spina bifida
Spina bifida is a birth defect where there is incomplete closing of the backbone and membranes around the spinal cord.
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Stillbirth
Stillbirth is typically defined as fetal death at or after 20 to 28 weeks of pregnancy.
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Trisomy 16
Trisomy 16 is a chromosomal abnormality in which there are 3 copies of chromosome 16 rather than two.
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Turner syndrome
Turner syndrome (TS), also known as 45,X or 45,X0, is a condition in which a female is partly or completely missing an X chromosome.
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Twin
Twins are two offspring produced by the same pregnancy.
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Type I and type II errors
In statistical hypothesis testing, a type I error is the rejection of a true null hypothesis (also known as a "false positive" finding), while a type II error is failing to reject a false null hypothesis (also known as a "false negative" finding).
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Ultrasound
Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.
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X-linked ichthyosis
X-linked ichthyosis (XLI) (also known as ") is a skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males.
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Double test, Quad screen, Quad test, Quadruple test, Triple diagnosis, Triple screen, Triple screen test, Triple screening.
References
[1] https://en.wikipedia.org/wiki/Triple_test
