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Fetal blood testing
 
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Fetal blood testing

Alternative names:

fetal scalp blood

Normal values:

  • pH: 7.25 to 7.35
  • O2 saturation: 30% to 50%
  • PO2: 18 to 22 mm Hg
  • PCO2: 40 to 50 mm Hg

Note: mm Hg = millimeters of Mercury

What abnormal results mean:

A low pH and decreased oxygen saturation indicates fetal distress and need for immediate delivery.


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