Assertion(A): Parturition is induced by a complex neuroendocrine mechanism involving cortisol, estrogen and oxytocin.
Reason(R): The signals for parturition originate from fully developed foetus and placenta which induce foetal ejection reflex.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.