A) oestrogen from placenta
B) oxytocin from maternal pituitary
C) oxytocin from foetal pituitary
D) relaxin from placenta
Correct Answer: B
Solution :
The process of giving birth to a baby is called parturition. Parturition is induced by a complex neuroendocrine mechanism. The signals for parturition originate from the fully developed foetus and the placenta which require the release of exytocin from posterior lobe of maternal pituitary.
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