Infant nutrition

Question 1

describe the stages of lactation

Answer 1

lactogenesis 1 - breast development and colostrum production from approx 16 weeks gestation
lactogenesis 2 - onset of copious milk secretion between 32 and 96 hours after birth
lactogenesis 3 - maintenance of milk production

Question 2

what hormones are in breast milk? and what are their functions

Answer 2

oxytocin - causes milk delivery, pulsatile on muscle cells, high when baby is near, stress can delay
prolactin - responsible for milk production, responsive to touch/stimulation, levels high at night
progesterone - inhibits milk production by inhibiting prolactin

Question 3

signs of ineffective breastfeeding for baby and mum

Answer 3

baby - feeding very freuqently, frustration, poor wt gain, jaundice, hypernatremia
mum - sore nipples, engorgement, mastitis, low milk production, loss of confidence