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Breast Breast Extraction changes its germs



Photo: Mark Lennihan (AP)

Until recently, most researchers have thought that breast milk is thinner. But it appears that, like most other parts of the body and liquids, it is abundant in bacteria. The composition of its microbiome varies according to many factors-as if milk is pumped, or fed to a baby directly from the chest, according to a study published today in the journal Cell .

in our understanding of pumped milk, which are often grouped with breastfeeding. However, researchers stress that just because pumped milk does not mean that it is bad work is still in the early stages, and it is not clear how these findings should inform the feeding strategies of the baby .

"Studies show that pumping and breastfeeding are not equal, and there are different effects," says the author of study Meghan Azad, a scientific research at Children & # 39; s Hospital Research Institute of Manitoba. "Not alarming mothers how they feed, but say the question is open."

The research team examines the breast milk microbiome from under only 400 babies who are joining the Canadian Healthy Infant Longhitudinal Development Study (CHILD), which monitors participants from pregnancy through childhood and adolescence.

"This is one of the largest study of milk microbiome," says Azad. The results show that milk is very variable, and different women have different types and amounts of bacteria in their milk. The team can only account for about 30 percent of the differences. "The most common reason why feeding is," he says. What a wonderful thing, Azad said-other potential factors they are investigating if mothers have other children, or delivered by the C-section.

Pumped milk has a higher level of potential pathogens, which, Azad's stress, is not necessarily active harmful. "Not always black and white. They can have health implications, but we need more research to know exactly," he said. Pumping is also linked to the lower levels of Bifidobacteria which are generally considered to be beneficial to the infant's baby germ, breast milk.

This research did not look at the health effects of pumped milk compared to breast milk Milk, although a previous study on CHILD studies showed that babies fed by pumped milk were in Higher risk of developing pediatric asthma than babies taken from the breast. However, the direct effect of milk bacteria on baby microbiomes is not yet clear, says Sharon Donovan, professor of food and nutrition science department at the University of Illinois who is not involved in the new research. "There is a controversy over how much nutrients germs germinate the baby," he said.

It is important to recognize, Donovan said that the particular role is just one big picture of breastfeeding and mother's milk, and the field is relatively new. "We only know about the microbiome of the extent we make for about a decade, and we've only known about milk microbiome for 3-5 years," he said.

It's too soon, Donovan said, for mothers and parents to put too much stock on individual reports. "A mother with a baby may look at a new statement as a shot once," says Donovan. "I want to talk that this is a real new place, it quickly moves and we still do not really understand."

Information from this study should not lead to parents, whose Azad notes stress about the decisions they make for their children, in order to change their feeding strategy . "We should recognize that not all infants can breastfeed," says Azad.

That's why Donovan said he would not tell a mother not to warm up, because in many cases, this is why breastfeeding is possible. "We have a country without paid maternity leave, or enough time to support breastfeeding, and a country where women are ashamed of breastfeeding in the public."

But researchers are learning more about the effects of pumping, more information they can provide to parents. That's important, Azad said, because many babies are being milked warmed up: around 85 percent of U.S. mothers breastfeeding. pump at one time or another, according to a 2008 study, so the issue affects most babies. "We need to understand the differences that occur after the disclosure and storage of milk," says Azad. Other compounds in breast milk, such as hormones or sugars, do not appear to change significantly by pumping, he says. "Unlike pumped milk is terrible, and it's more than formula."

A more complete understanding of pumped milk will help researchers and doctors develop tools and strategies that can make all feeding methods the best they can be- like others Another way to store or feed babies that are pumped milk, Azad said. "It's important to know the differences so we can ask why, and know what to do to address any deficit."


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