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
High risk pregnancy are all except: 
Select and explain. 
A. A130 incompatibility, B. Rh isoimmunisation, C. Twin pregnancy, D. Third pregnancy
D: Third pregnancy
Answer: D: Third pregnancy 
Explanation: Third pregnancy