Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?

Which hormone is responsible for the secretion of milk after the birth of a child?

Give scientific reasons: Doctors advise breastfeeding to mothers for infants.

$A$: Corticotrophin-releasing hormone is a part of the clock that establishes the timing of birth.
$R$: The signals for parturition originate from the fully developed foetus and placenta,which induce mild uterine contractions called the foetal ejection reflex.

Following features are seen during the dilation stage of parturition $EXCEPT$ . . . . . . .

$ . . . . . . $ hormone is associated with parturition.