. of our understanding of the pumped milk that is usually grouped with breastfeeding. Researchers, however, point out that just because the pumped milk is different does not mean that it is bad – work is still at an early stage and it is not clear how these findings should inform about baby feeding strategies.
"The study shows that pumping and breastfeeding is not equivalent and has different effects," says study author Megan Azd, a researcher at the Children's Research Institute for Hospitals in Manitoba. "It's not to worry mothers how to eat, but to say the question is open."
The research team investigates maternal milk microbial from just under 400 pairs of mothers-babies participating in Canadian healthy babies. Developmental Study (CHILD) that tracks pregnancy participants during childhood and adolescence.
"This is one of the largest studies of the milk microbial," said Adad. The results show that milk is highly variable, and different women have different types and quantities of bacteria in their milk. The team could account for only about 30% of the differences. "The most consistent reason for that was the method of eating," she said. This is surprising, Akaz noted – other potential reasons for examining whether the mothers had other children or were delivered via C-section.
The drained milk has higher levels of potential pathogens, which, emphasizes Akaz, are not necessarily actively harmful. – It's not always black and white. They could have health consequences, but we need more research to know for sure, "she said. Pumping is also associated with lower levels of Bifidobacteria which are generally considered to be beneficial to the microbial of the intestine in breast milk.
This study does not examine the effect of drained milk on health compared to breast. although previous findings in the children's study have shown that breastfed babies are at a higher risk of developing pediatric asthma than breast-fed infants. However, the direct effect of milk bacteria on the baby's microbial is still unclear, says Sharon Donovan, a professor in the Department of Food Science and Human Nutrition at the University of Illinois, who was not involved in the new study. "There is controversy about how much microbial milk contributes to the baby's microbial," she said.
It is important to admit, Donovan says, that this particular paper is only one part of the larger picture of breastfeeding and breastfeeding and the area is still relatively new. "We know only about the microbe as far as we are doing it for about a decade, and we only know about the microbial of milk for three to five years," she said.
Too early, said Donovan, for mothers and parents to put too many stocks in the individual reports. "A mother who has just had a baby can look at a new press release as a one-shot shot," Donovan said. "I will report that this is a really new area, it is moving fast and we still do not understand much." they make for their children to drastically change their eating strategy. "We have to admit that not every baby can be nursing," said Akaz.
That's why Donovan said he would not tell his mother not to pump, because in many cases it makes possible breastfeeding. "We have a country without paid maternity leave or enough time to establish breastfeeding, and a country where women are ashamed of breastfeeding in public," she said.
But the more researchers learn about the effect of pumping, the more information they can provide to parents. That's especially important, said Akaz, because so many babies eat milk: about 85% of the mothers in the US pump at one time or another, according to a 2008 study, so the problem affects most babies. "We need to understand the differences that occur when milk is expressed and stored," says Akaz. Other compounds in breast milk, such as hormones or sugars, do not seem to change so much by pumping, she said. "It's not like the pumped milk is terrible and still very different from the formula." As Akaz says, they say, as different ways of storing or feeding infants. "It is important to know the differences so that we can ask ourselves why, and understand what to do to deal with a possible deficit."