Obstetrics Book

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Fetal Vertex PositionAka: Fetal Position, Occiput Anterior

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  1. Definition
    1. Position of the Fetal denominator to mother's pelvis
    2. Fetal Denominator: Occiput of Vertex
  2. Positions at maternal pelvic brim
    1. Occiput Anterior or Transverse (Normal)
      1. Left Occiput Lateral (LOL) 40%
      2. Right Occiput Lateral (ROL) 25%
      3. Left Occiput Anterior (LOA) 12%
      4. Right Occiput Anterior (ROA) 10%
    2. Occiput Posterior (Abnormal: Occiput at sacrum)
      1. Left Occiput Posterior (LOP) 3%
      2. Right Occiput Posterior (ROP) 10%

Position of fetus (C1286298)

ConceptsFinding (T033)
EnglishFetal position, Fetal position -RETIRED-, Fetal position finding, Finding of position of fetus, Observation of position of fetus, Position of fetus
Spanishhallazgo en la posicion fetal, posicion del feto, posicion fetal, posicion fetal - observacion, posicion fetal - RETIRADO -
Parent ConceptsFinding of arrangement of fetus (C0566787), Duplicate concept (C1274013), Arrangement of fetus (C1286296)
SourcesDXP, LNC, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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