This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Fetal scalp blood pH less than _ is abnormal : 
Select and explain. 
A. 7.25, B. 7.3, C. 7.35, D. 7.4
A: 7.25
Answer: A: 7.25 
Explanation: 7.25