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The signals for parturition orginate fro...

The signals for parturition orginate from:

A

both placenta as well as fully developed foetus

B

oxytocin released from maternal pituitary

C

placenta only

D

fully developed foetus only

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The correct Answer is:
A
The process of delivery of the foetus (childbirth) is called parturition which is induced by a complex neuroendocnne mechanism. The signals for parturition originate from the fully developed foetus and the placenta which induce mild uterine contractions called foetal ejection reflex.
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The signals for parturition originate from the fully developed foetus only. (True/false)

A : Corticotrophin releasing hormone is a a part of the clock that establishes the timing of birth . R : The signals for parturition originate from the fully developed foetus and placenta which induce mild uterine contractions called foetal ejection reflex .

Read following statements (a-d) and choose the option with only correct statements. a. Parturition occurs due to a complex neuroendocrine mechanism at the end of gestation period. b. The signals for parturition originate from fully developed foetus and placenta which induces mild uterine contraction. c. Foetal ejection reflex triggers release of oxytocin from foetal pituitary. d. Oxytocin reduces uterine contraction under positive feedback control and causes expulsion of placenta followed by foetus known as parturition. a and b b and c c and d a and d

signals for parturition originate from

Signals for parturition originate from

Signals for parturition originate from

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