Normal value of Fetal scalp pH is ?: (A) 6.9, (B) 7, (C) 7.1, (D) 7.3
Answer is D. * 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