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Triple Screen or Quad Screen

Also known as: Triple test; AFP Maternal; msAFP; Quad Screen; 4-marker screen
Formal name: Triple Screen [with AFP (alpha-fetoprotein), hCG (human chorionic gonadotropin) and uE3 (unconjugated estriol)]; Quadruple Screen [with the addition of inhibin A]
Related tests: hCG; Estrogen; First Trimester Down Syndrome Screen

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NOTE: This article is based on research that utilizes the sources cited here as well as the collective experience of the Lab Tests Online Editorial Review Board. This article is periodically reviewed by the Editorial Board and may be updated as a result of the review. Any new sources cited will be added to the list and distinguished from the original sources used.

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