Lactation & Human Milk Flashcards
When does lobules gradually appear becoming distinct?
12-18 months after 1st menstrual period
What happens with breast maturation during 1st trimester?
small ducts proliferate to surface cells
What happens with breast maturation during 2nd trimester?
small ductules form large lobules
What happens with breast maturation during 3rd trimester?
milk-producing cells dilate to prepare for lactation
What composes 10% of the total milk CHO and is predominantly composed of lactose-N-tetraose and its monofucosylated derivatives?
Human Milk Oligosaccharides (HMOs)
This determines a mother’s ability to make certain abundant HMOs
Secretor status
Responsible for the composition and functional properties of glycans in mucosal tissues and bodily secretions, including human milk
FUT2 gene
Milk volume
600-900 mL/day
The primary carbohydrate which comprises approximately 80% of the total carbohydrate load
Lactose
When does transitional milk becomes mature milk
end of 1st month
Phosphorus-containing proteins that occur ONLY
in milk
Casein
Thin liquid of milk remaining after the curd (casein) & cream have been removed; contains lactoferrin & lactalbumin
Whey protein
How many CHON per 100mL of milk
0.8-0.9 g CHON
Amino acid quality of mature milk
- lower in Met, rich in Cys
- lower Phe & Tyr
- rich in Taurine
Stimulates growth of bifidobacteria
bifidus factor