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
Braxton -- Hicks contractions : 
Select and explain. 
A. Is a positive feedback system, B. Is another terms for labor contraction, C. Occur during most of the months of pregnancy, D. Result in hypoxia of the fetus
C: Occur during most of the months of pregnancy
Answer: C: Occur during most of the months of pregnancy 
Explanation: Occur during most of the months of pregnancy