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Scientists have found out that the breast feeding preventive effect is extended on those women who have given birth to children in the age after 25.
According to the earlier researches, the women who had several children before 25 years, had breast cancer less often. The birth of the child after 25 years, on the contrary, is considered to be a risk factor.
Giske Ursin and his colleagues from the University of Southern California (USA) have managed to prove, that breast feeding will neutralize the risk connected to a late birth of the child.
Authors of new work have analysed the data on women in the age after 55 years among whom there were 995 patients with an invasive breast cancer. It was found out, that breast feeding reduces risk of cancer regardless of the age in which women gave birth to a child. Scientists consider, that this fact is especially important, after all even if the woman has several children, the risk is reduced only if the first child has been given birth in an early age.
According to statistics, 25 years are middle age of a first child birth in the USA.