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The signals for parturition originate from

Option 1)
Placenta only

Option 2)
Placenta as well as fully developed foetus

Option 3)
oxytocin released from maternal pituitary

Option 4)
fully developed foetus only

Answers (1)

best_answer

As we discussed in concept

Foetal ejection reflex. -

The signals for parturition originate from the fully developed foetus and the placenta which induce mild uterine contractions called foetal ejection reflex.

- wherein

This triggers release of oxytocin from the maternal pituitary. Oxytocin acts on the uterine muscle and causes stronger uterine contractions, which in turn stimulates further secretion of oxytocin.

Option 1)

Placenta only

This option is incorrect.

Option 2)

Placenta as well as fully developed foetus

This option is correct.

Option 3)

oxytocin released from maternal pituitary

This option is incorrect.

Option 4)

fully developed foetus only

This option is incorrect.

Posted by

Aadil

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