The series of movements, adopted by foetus, in its birth passage, during expulsion in normal Labour, called as _ _ _ _ _ of labour.

The series of movements, adopted by foetus, in its birth passage, duri

1.	The series of movements, adopted by foetus, in its birth passage, during expulsion in normal Labour, called as _ _ _ _ _ of labour.
A.	Causes
B.	Symptoms
C.	Mechanism
D.	Signs
Answer» D. Signs