Author, Donkey, Bureaucrats, Administrators
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Text replace - "[[Parturition_-_Endocrine_Control_of_Parturition_- Anatomy & Physiology" to "[[Parturition Endocrine Control - Anatomy & Physiology"
* Lack or failure of Oxytocin release
* Lack or failure of Oxytocin release
* Lack or failure in Prostaglandin release
* Lack or failure in Prostaglandin release
* Obesity and lack of excercise in bitches. The small foetus cannot apply enough pressure on the uterine wall and cervix to set up the [[Parturition_-_Endocrine_Control_of_Parturition_- Anatomy & Physiology|Fergusson reflex]].
* Obesity and lack of excercise in bitches. The small foetus cannot apply enough pressure on the uterine wall and cervix to set up the [[Parturition Endocrine Control - Anatomy & Physiology|Fergusson reflex]].
* Foetus is too small, or not entering cervix.
* Foetus is too small, or not entering cervix.