While the decline may simply represent a reversal of past increases in birth weight, may also be a cause for concern: Children born small, not only against short-term complications, such as increased likelihood of needing intensive care after birth and at even higher risk of death, may also be at higher risk of chronic diseases in adulthood.‘Trends in birth weight and gestational age among singleton births in the United States end: 1990
Instead, Oken and her colleagues found that the birth weight decreased by an average of 52 grams between 1990 and 2005. Declines were particularly evident after 1995.
Pounds thirteen children may make headlines, but are not the norm. In fact, newborns are smaller than the U.S., according to researchers at the Department of Harvard Pilgrim Health Care Institute of Medicine of the population, an affiliate of Harvard Medical School. Their findings, published in February 2010 issue of Obstetrics and Gynecology, suggests that birth weight in this country have declined over the past 15 years
The summary was presented by the author B. Gregory Potts, K. Scott Beard, and Leland Shapiro, Department of Medicine, University of Colorado at Denver, Aurora and data included patients with diabetic ulcers of the lower limbs by Matthew Regulski, Wound Care Center of Ocean County, New Jersey.
This research was funded by grants from the National Institutes of Health.
Future research may identify other factors not included in the current data that may contribute to low birth weight, such as developments in the mothers diet, physical activity, and exposure to environmental toxins. ‘There is still much we do not know the causes of low birth weight,’ says Oken. ‘More research needs to be done.’
Their findings came as a surprise. ‘We expected to see a continuation of these increases.
‘ Rates of birth weight have been attributed in part to age and weight of women and a decline in smoking.