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Question

Fetal  stimulates pituitary to release oxytocin which results in stronger uterine contractions.


A
GnRH
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B
ejection reflex
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C
placenta
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D
head
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Solution

The correct option is B ejection reflex
The neural signal for parturition is initiated by the fully developed fetus and placenta as mild uterine contraction called foetal ejection reflex. Foetal ejection reflex stimulates the pituitary to release oxytocin, which results in stronger contractions. These contractions, in turn, result in more secretion of oxytocin and further contractions which together result in expulsion of the baby.

Biology

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