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
Complete H. Mole are:a) Triploidb) Diploidc) Increased β-HCGd) 2% cases may convert to carcinomae)  Chance of malignant conversion less than partial mole 
Select and explain. 
A. abc, B. bcd, C. ac, D. bd
B: bcd
Answer: B: bcd 
Explanation: Differences between complete and partial mole