Which of the following hormones initiates par | vedclass

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(B) Parturition is induced by a complex neuroendocrine mechanism. $1$. The signals for parturition originate from the fully developed fetus and the pl

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$ACTH$,$Corticosteroid$,$Oxytocin$

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(B) Parturition is induced by a complex neuroendocrine mechanism. $1$. The signals for parturition originate from the fully developed fetus and the placenta,which induce mild uterine contractions called the Fetal Ejection Reflex. $2$. This reflex triggers the release of $Oxytocin$ from the maternal pituitary gland. $3$. The fetal adrenal glands secrete $ACTH$ (Adrenocorticotropic hormone),which stimulates the production of $Corticosteroids$. $4$. These $Corticosteroids$ and the rise in estrogen levels lead to the release of $Prostaglandins$,which further enhance uterine contractions. $5$. Therefore,the combination of $ACTH$,$Corticosteroids$,and $Oxytocin$ (along with $Prostaglandins$) is involved in the initiation and progression of parturition. Among the given options,$B$ is the most appropriate set.

Which of the following hormones initiates parturition?

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