Obstetrics Book

http://www.fpnotebook.com/

Fetal Abdominal Circumference

Aka: Fetal Abdominal Circumference
  1. Technique
    1. Transverse abdominal Triad
      1. Deep portion of Portal Vein (J Sign)
      2. Spine
      3. Stomach
    2. Use ellipse
    3. ObUltrasoundAbdominalCircumference.jpg
    4. ObUltrasoundAbdominalcircumference.gif
  2. Equation
    1. Abdominal Circumference = (AP + Transverse) x 1.57
  3. Accuracy
    1. Least accurate of measurements (except 26-32 weeks)

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