NEET 2009 Biology question

Foetal ejection reflex in human female is induced by:

(1)release of oxytocin from pituitary
(2)fully developed foetus and placentaCorrect
(3)differentiation of mammary glands
(4)pressure exerted by amniotic fluid

Answer: (2)

Solution

According to NCERT, parturition is induced by a complex neuroendocrine mechanism. The signals for parturition originate from the fully developed foetus and the placenta, which induce mild uterine contractions called the foetal ejection reflex. This triggers the release of oxytocin from the maternal pituitary, which

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Question ID VK-090227