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
In bishop score, all are included except 
Select and explain. 
A. Effacement of cervix, B. Dilatation of cervix, C. Station of head, D. Interspinal diameter
D: Interspinal diameter
Answer: D: Interspinal diameter 
Explanation: The Bishop score can be used to evaluate the condition of cervix and station of presenting pa, as a prognostic index for the success of induction. The different components of currently used scoring systems are dilatation, effacement, station, consistency, and position(refer page: 558 Sheila 2nd edition)