This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Page system of grading is used in 
Select and explain. 
A. Placenta pre, B. Abruptio placenta, C. Breech presentation, D. Ectopic pregnancy
B: Abruptio placenta
Answer: B: Abruptio placenta 
Explanation: Page system of grading: depends upon the degree of placental abruption 0- Clinical features are absent 1 - Vaginal bleeding is slight,FHS is good, uterine tenderness is minimal or absent 2 - Vaginal bleeding is mild or moderate, uterine tenderness is present,Fetal distress occurs, shock is absent 3 - Bleeding is moderate to severe, uterine tenderness is marked, fetal death Ref: Dutta Obs 9e pg 239.