Which of the following mechanisms are involved in mediating theincreased prolactin secretion during lactation? [1.5 marks]
A . increased progesterone levels
B. increased sensitivity of prolactin negative feedback
C. decreased sensitivity of prolactin negative feedback
D. decreased prolactin gene expression due to the effects ofoestrogens during pregnancy
E. increased tyrosine hydroxylase activity and expression
please explain the answer.
