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Collaborative Hypertext of Radiology

Pregnancy / Fetus

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multiple gestation

incidence: 1% of all births
  • twins in 1:85; triplets in 1:85x85; etc
  • uterus large for dates
  • may have elevated hCG, hPL, and aFP

  • at risk for IUGR:
    • monochorionic-monoamniotic >
    • monochorionic-diamniotic >
    • dichorionic-diamniotic

    findings:
    • 2 placentas indicate dichorionic-diamniotic
    • 1 placenta indicates monochorionic pregnancy or dichorionic pregnancy with fused placenta
    • separating membranes confirms diamniotic pregnancy

    Yong H. Hahn, MD  -  2 February 1995
    Last updated:  1 October 2013


     

    Related CHORUS documents:
    intrauterine growth retardation (IUGR)
    IUGR: etiology
    alpha fetoprotein (aFP)
    IUGR: phenotypes
    fetal doppler study
    fetal death

     

    Copyright © 2013, Charles E. Kahn, Jr.