This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Gynaecology & Obstetrics
Outlet forceps, means: 
Select and explain. 
A. Head at station "0", B. Full cervical dilatation, C. Rupture of membrane, D. Rotation > 45
B: Full cervical dilatation
Answer: B: Full cervical dilatation 
Explanation: In modern obstetrics outlet and low forceps are commonly used .Kielland is very rarely used today and only by experienced person s(refer pgno:446 sheila textbook of obstetrics 2 nd edition)