In humans, prolactin is involved in the production of milk from the breast.When a mother is breastfeeding, the suckling of the baby on the nipple sends a nerve response to the mother's brain, which stimulates the pituitary gland to secrete more prolactin.This, in turn, causes more milk to be produced.This is an example of

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Quizplus · Accepted Answer

This is an example of positive feedback because the initial response (suckling of the baby) leads to an increase in prolactin secretion, which leads to more milk production, which further encourages suckling and continues the positive cycle.

In Humans, Prolactin Is Involved in the Production of Milk