breastfeeding Flashcards
When does mammary gland develop?
begins in utero
Each alveolus opens into… that leasts to one main….
ductule; lactiferous duct
further growth of mammery land and ducts
adolescence and young adulthood
when is final development and maturation of breast
pregnancy
estrogen role in lactation
ductal growth
milk formation begins
birth- 2-5 days
increased blood flwo to breast; milk comes in
begins 2-5 days after birth
milk composition is stable
10 days after birth
hormone acts on alveoli
progesterone
hormone acts on ducts and alveoli
prolactin and human placental lactogen
breasts fully mature, capable of lactation
3rd trimester
lactation inhibited by…
estrogen and progesterone
loss of placenta=
progesterone+estrogen levels falling
stimulates milk production
prolactin
released in response to suckling, stress, sleep, and sex
prolactin