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What Is Parturition?

The signals f...

Question

The signals for parturition originate from:

A

placenta only

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B

placenta as well as fully developed foetus

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C

oxytocin released from maternal pituitary

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D

fully developed foetus only

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Solution

The correct option is B
placenta as well as fully developed foetus

The signals for parturition originates from a fully developed foetus and placenta which induce mild uterine contraction. This triggers the release of oxytocin (birth hormone) from the maternal pituitary gland.

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