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
Which is more common in primigravida than multigravida : 
Select and explain. 
A. PPH, B. Placenta pre, C. Malpresentation, D. Hyperemesis
D: Hyperemesis
Answer: D: Hyperemesis 
Explanation: Hyperemesis