Lactation & Breastfeeding Flashcards
Stages of lactation
Mammogenesis
Lacto génesis
Galactopoiesis
Mammogenesis
Mammary growth & development
- requires estrogen & progesterone
Lactogenesis
Requires prolactin
Initiates milk secretion
Galactopoiesis
- requires prolactin & oxytocin (suckling)
Maintaining milk secretion
When is lactación initiated
Estrogen, progesterone & lactogen levels fall after delivery
Prolactin levels return to non preg levels (without suckling)
2-3wks
Ex) women who got C-sections
Colostrum
- liquid gold
First 2-3days after birth, before milk
- high protein
- vit A
- Na, Cl
- Ig
Lower carbs, K, and fat content
(Laxative action)
What drives milk production
Prolactin
Substrates from milk derived from maternal
Gut & liver
Principal carb in breastmilk is
Lactose
When is the highest output of Ig
First wk when baby’s immune system is weakest
90% IgA + primary leukocytes (anti infective)
- formula doesn’t have Ig
Milk production
Avg:
120ml - day#2
300ml - day #10-14
Increases milk yield
Crying baby (oxytocin)
Orgasms (oxytocin)
Anticipation
Water
Ways to increase milk production
Nurse more often Pump b/w feedings Fenugreek*** Goat’s rue Brewers yeast oats Teas Metoclopromide (Reglan)- causes HAs
Recommendations
Exclusive breastfeeding: until 6mo
Partial breast feeding: 6-12mo or longer
- WHO - up to 2yo
What increases number of moms that breastfeed
Provider support
Maternal advantages
Convenient, free Emotionally satisfying/bonding Helps uterine involution Improves GI motility (mom & baby) Delays ovulation Weight loss Ovarian CA protection
Maternal disadvantages
Inconvenient
Nipple tenderness/mastitis
Contraindications of breastfeeding
- drugs/alcohol
- Human T cell leukemia #1 or HIV
- Breast cancer (active)
- active pulmonary TB or Varicella infxn
- galactosemia
- maternal intake of certain meds
Advantages for the infant
Easy to digest, ideal temp/composition Not contaminated Ig source Improved cognitive development & intelligence Decreased: - diarrhea - lower RTIs - Necrotizing enterocolitis - Invasive bacterial infxns - Crohn’s/UC - lymphoma - allergies - type I DM - SIDS - obesity
Disadvantages for baby
Increased risk of neonatal jaundice
Cleft palate, choanal atresia, PKU
Moms w/ CF have high salt content
When should you start breastfeeding
1-2hrs after delivery
When does milk let dwn
3-4days
What helps the discomfort
Lanolin or extra milk on the nipples
Warm shower
Cool cabbage leaves
Soothies gel pads