* For parturition to occur, progesterone production by the Corpus Luteum must be terminated.
* For parturition to occur, progesterone production by the Corpus Luteum must be terminated.
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* As the foetus grows in a restrictive environment it becomes stressed. Stress leades to a rise in foetal ACTH. The rise in ACTH causes production of Cortisol from the foetal [[Endocrine_System_-_Adrenal_Glands_-_Anatomy_%26_Physiology|Adrenal Glands]].
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* As the foetus grows in a restrictive environment it becomes stressed. Stress leades to a rise in foetal [[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Hormones_of_the_Anterior_Pituitary_Gland|ACTH]]. The rise in ACTH causes production of Cortisol from the foetal [[Endocrine_System_-_Adrenal_Glands_-_Anatomy_%26_Physiology|Adrenal Glands]].