Infant Feeding Flashcards
Ingredients only in breastmilk
Growth factors
Stem cells (repair)
Lactoferrin (iron absorption)
Oilgosaccharides (prevent bacteria sticking to gut wall)
White cells - lymphocytes and leukocytes
Bifidus factor (acidic, discourage bacterial growth)
Antibody IgA
Milk lipids
Enzymes
What is first milk called
Colostrum
Purpose of colostrum
Prime baby’s immune system and has laxative effect to aid pass of meconium
How many stages of lactogenesis
3
Stage 1 lactogenesis
What and when?
Pregnancy
Epithelial cells to lactocytes from prolactin
Breast growth - tender
Hormones - oestrogen, progesterone, human placental lactogen
When colostrum produced
From 16 weeks
Other pregnancy changes (3)
Areola and nipple darken
Montgomery tubercles secrete antiseptic sebum (lubricate and scent)
Blood supply increase (shinier and veins)
When lactogenesis 2
At birth
Onset milk production 32-92 hr
What happens for lactogenesis 2 to happen?
Drop in oestrogen and progesterone due to birth of placenta triggers milk production
Prolactin and oxytocin rise in response skin to skin, smell, sight touch
What stimulates prolactin
Sucking
What causes let down/milk ejection
Oxytocin
When does prolactin peak? (2)
45 min after start of feed (so enough milk for next)
At night
Oxytocin reflex
See, hear, smell, touch
Other oxytocin effect
Uterine contractions to return uterus to ‘before’
What can inhibit oxytocin production
Cortisol and adrenaline