Lactation Physiology Curriculum

Video 1.1: How does breast anatomy change in preparation for lactation?

In Part 1 of “The Biology of Milk Coming In,” you’ll learn about gross and microscopic breast anatomy as it related to lactation. By the end of this video, you’ll know about how the various components of breast tissue–stroma, parenchyma, alveoli, and milk ducts–work together to ensure successful breastfeeding.

Video 1.2: What is the role of progesterone in Lactogenesis II?

In Part 2 of “The Biology of Milk Coming In,” you’ll learn about colostrum production during pregnancy. By the end of this video, you’ll know about relationship between progesterone and the mammary gland during pregnancy and you’ll be comfortable describing the composition of colostrum.

Video 1.3: How does the mammary gland switch from colostrum to breast milk production?

In part 3 of “The Biology of Milk Coming In,” you’ll learn about the role of progesterone in initiating the dramatic shift in mammary gland cellular machinery and organization that occurs in the first few days postpartum. By the end of this video, you’ll understand the role of tight junctions in the transition from colostrum to mature milk and you’ll be able to describe the changes in milk composition and volume that occur between days 0 and 5 postpartum.

Video 1.4: Why does breast engorgement happen in the first week postpartum?

In Part 4 of “The Biology of Milk Coming In,” you’ll learn about the relationship between tight junction formation, ‘milk coming in’ and breast engorgement. By the end of this video, you’ll understand why women report feeling breast fullness around day 4 postpartum. Visit the LiquidGoldConcept website to learn about breast massage techniques to prevent and resolve breast engorgement.

All Curriculum Series