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The alveoli in your breasts start to develop in the first trimester, because of hormones secreted by the placenta. This is why most women notice their breasts getting fuller in early pregnancy. Milk production could be theoretically possible around the 4th month, but progesterone excreted by the placenta actually keeps the prolactin receptors away from the cells that make the milk. So it's not so much a matter of 'when does it start' as 'when does our body stop keeping it from starting'!
It's interesting to note that in animals who are born, nurse, and need to get up and run around the pasture within about ten minutes, their progesterone levels drop about four days prior to birth, so the milk is available immediately. In humans, our progesterone levels dive at birth, with the expulsion of the placenta. So four days after birth, our milk comes in. That's okay... baby doesn't need more than colostrum before then.
It's also interesting to note that sometimes, if there is any part of a retained placenta, there could be inhibition of lactation. This is pretty rare, and doctors and midwives can generally tell if there's been retained placenta.
One other thing about lactation: it's a supply-demand process. You can imagine a chef back there, cooking up the milk, and he's only going to make as much as he thinks there are customers for. So the more your baby nurses in those first few days -- even before your milk comes in -- the more milk will be available. That's why it's so important not to supplement with formula, and to nurse on demand. :) If you can get your baby skin-to-skin as much as possible in that first week, that will really enhance baby's brain development, temperature and respiratory regulation, and also your milk production, too.
Hope that helps!
What else can I help you with?
Where does Breast Milk come from?
Breast milk comes from the milk ducts in a female's breast.
What is baby milk called?
Formula, if it comes from a can, breast milk if it comes from the baby's mother.
Is the milk comes from a single hole in a breast?
No there are glands in the breast and your horomones start the production of the milk if you feel your breast they may feel knotty that's the swollen glands.
Can women have too much milk?
No, breast milk is made by supply and demand. That very full filling when breast milk first comes in doesn't last long.
What is it when water comes out from women's nipple?
This fluid is not water. This is the beginning of breast milk. Soon it will turn a milky yellow color and this is breast milk.
When the breast milk comes out?
Around three days after the birth of your baby.
I am an unmarried women.When you pressed your breast milk comes out is it pregnancy?
i am 25 years old an unmarried women. It is come to breasat milk so what can do don't come breast milk. please tell me answer
Will milk comes out when breast is pressed before pregnancy?
no i don't think so
What color is the first milk during pregnancy?
Breast milk is usually yellow or a dark cream colour for the first few days of breast feeding, until the hind milk comes in and this is cream or white in colour.
Can breast milk remove tattoos?
The only problem with breast feeding when you have a tattooed breast is that the milk comes out in funny colors. No, just kidding. There is no negative impact in having a tattoo on your breast on the quality or safety of your milk. The ink is locked into your skin and does not migrate to the interior of your breast or your milk.
Can milk of girl in her breast forever?
Breast milk is made when it is needed it is not stored in the breast.
Can breast milk turn into powder in the breast?
Only if the body carrying the breast milk in the breast turned into powder.
