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  • Help me understand! Signals for parturition originate from:

Signals for parturition originate from:

  • Option 1)

    Both placenta as well as fully developed foetus

  • Option 2)

    Oxytocin released from maternal pituitary

  • Option 3)

    Placenta only

  • Option 4)

    Fully developed foetus only

 

Answers (1)

best_answer

As discussed

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.

 

 Foetal ejection reflex originates from fully developed foetus and placenta.


Option 1)

Both placenta as well as fully developed foetus

This option is correct

Option 2)

Oxytocin released from maternal pituitary

This option is incorrect

Option 3)

Placenta only

This option is incorrect

Option 4)

Fully developed foetus only

This option is incorrect

Posted by

Plabita

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