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: Anatomy
In Bishop's 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: Bishop's score is a quantitative prediction of successful induction of labour. It includes Cervical dilatation Cervical position Cervical effacement Head station Cervical consistency. Ref: Williams Obs 23e pg 502.