Certified Lactation Consultant Exam
- what are the two major hormone of lactation? Where are they
secreted from
?: oxytocin and prolactin, pituitary gland - Prolactin is the hormone responsible for
?: Milk production - What is the passage of prolactin being produced
: baby suckles- message to nervous system tells brain to secrete prolacin in
blood- then tranverse into mother body into milk cells where milk is produced
- When doe humans have prolactin in them
: all the time (non pregnant, non
lactating breast and nipples increase level of prolactin when touched) - Prolactin levels go in between nursing and during nursing
.: –
down, rise - nursing leads to lower levels of prolactin and less rise with
same amount of contact
.: infrequent - If infants do no have frequent times at breast first few days prolactin will
be and sites will be primed and receptor sites will start to
.: low, not, start shutting down - What is in receptor site during pregnancy?: Progesterone
- When placenta leaves the body, the body responds by pushing
out of the receptor sites?: progesterone
- When placenta is pushed out of body, progesterone leaves the receptor
sites and they are open briefly, what goes inside to set site for lactation?:
Pro- lactin - If prolactin is not set during first few hours after birth-: there will be
fewer sites and cause issues with milk supply - Ongoing milk supply is associated with suckling within first hours
after birth: 2 - For mothers with preemies initation of milk expression before
hours resulted in significantly more milk by day 7: one - What hormone T3, T4, T5: Oxytocin
- When oxytocin hits myoepitheal cells what happens?: They start retracting
- Oxytocin helps ducts to in size and lumen to get :
increase, smaller - What triggers oxytocin?: 1. conditioned response (repeated stimuli over time)
- Nipple Stretching (happens with proper latch- oxytocin levels goes up and down
with suck and swallow)
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