This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Amniotic Fluid Dynamics, Subject name: Gynaecology & Obstetrics
The pH of amniotic fluid is: 
Select and explain. 
A. 6.8 to 6.9, B. 8.1 to 8.3, C. 7.4 to 7.6, D. 6.7 to 6.8
C: 7.4 to 7.6
Answer: C: 7.4 to 7.6 
Explanation: Amniotic Fluid: pH - Alkaline (7.4-7.6) Specific gravity- 1.008-1.010 Colour- Straw colour