<prompt> Normal value of Fetal scalp pH is ?6.977.17.3  <response>: Fetal scalp blood testing is a technique during labor to confirm whether the oxygenation is sufficient. Two constituents are tested by this method they are pH and lactate , both being indicators of acid base homeostasis.Normal values should be pH 7.25. acidemia is 7.21 Reference: GHAI Essential pediatrics, 8th edition 