1. What stimulates pituitary to release the hormone responsible to, parturition ? Name the hormone.

Explanation

Parturition is induced by a eomplex neuro endocrine mechanism. The signals for parturition originate from the fully developed fetus and the Placenta which induce mild uterine contraction called foetal ejection reflex. This triggers release of oxytocin from the maternal pitujtuary. Oxytoin is the hormone responsible for parturition.