Statement-I: Parturition is induced by a comp | vedclass

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(A) Statement-$I$ is correct because the signals for parturition originate from the fully developed foetus and the placenta,which induce mild uterine

Vedclass · Accepted Answer

Both Statement $I$ and Statement $II$ are correct.

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(A) Statement-$I$ is correct because the signals for parturition originate from the fully developed foetus and the placenta,which induce mild uterine contractions called the foetal ejection reflex. This triggers the release of oxytocin from the maternal pituitary,representing a complex neuroendocrine mechanism.Statement-$II$ is correct because oxytocin acts on the uterine muscles of the mother and causes stronger uterine contractions,which in turn stimulates further secretion of oxytocin. This stimulatory reflex between the uterine contraction and oxytocin secretion continues,resulting in stronger and stronger contractions,leading to the expulsion of the baby.

Statement-$I$: Parturition is induced by a complex neuroendocrine mechanism.
Statement-$II$: Oxytocin acts on the uterine muscles and causes stronger uterine contraction.

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Statement-$I$: Parturition is induced by a complex neuroendocrine mechanism.Statement-$II$: Oxytocin acts on the uterine muscles and causes stronger uterine contraction.