Certified Breastfeeding Counselor Practice Exam 2025 – Comprehensive Test Prep

Question: 1 / 400

What triggers lactogenesis II, leading to a decline in progesterone and the onset of copious milk secretions?

Placenta expulsion

Lactogenesis II, also known as the secretory activation stage, is triggered by the expulsion of the placenta after childbirth. This causes a decline in progesterone levels and a rapid increase in prolactin, the hormone responsible for milk production. Nipple assessments and breast reduction considerations do not directly affect the onset of copious milk secretions. While major components of breastfeeding, such as frequent and effective breastfeeding, can help maintain milk supply, they do not trigger the onset of Lactogenesis II. Therefore, the correct answer is A.

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Nipple assessments

Breast reduction considerations

Major components of breastfeeding

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