Signals for parturition originate from

Options

(a) Both placenta as well as fully developed foetus
(b) Oxytocin released from maternal pituitary
(c) Placenta only
(d) Fully developed foetus only

Correct Answer:

Both placenta as well as fully developed foetus

Explanation:

The signal for child birth (parturition) originate from the fully matured foetus and placenta which induce mild uterine contractions called foetal ejection reflex.