A study published in CMAJ (Canadian Medical Association Journal)says that high birth weight in First Nations babies are linked to a higher risk of postneonatal death or infant deaths that occur from 4 weeks to 1 year of life.
High birth weight or infant macrosomia is defined as a child being born above the 90th percentile relative to a fetal growth standard. Maternal obesity, impaired glucose tolerance and gestational diabetes can all contribute to infant macrosomia and these risks affect a greater proportion of Aboriginal populations.
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This study was conducted to determine if the high incidence of macrosomia is a risk factor for perinatal and postneonatal death among First Nations in Quebec. It compared 5193 births to First Nations mothers versus 633,424 births to French mother tongue women from 1991 to 2000 in Quebec.
"We found that macrosomia was not associated with increased risk of perinatal death among births to First Nations women, although its [macrosomia's] prevalence was three times higher than among births to women whose mother tongue women is French," writes Dr. Zhong-Cheng Luo, of the University of Montreal's Department of Obstetrics and Gynecology and Sainte-Justine University Hospital Centre in Montreal, Quebec with coauthors. "Unexpectedly, macrosomia was associated with a much greater risk of postneonatal death (8.3 times as high) among infants of First Nations versus French mother tongue women."
![Drugs in Pregnancy and Lactation]( "Drugs in Pregnancy and Lactation")
During pregnancy & lactation a nutritious diet, suitable exercise, adequate rest and a tranquil mind help both the mother and fetus and drugs should be avoided.
The authors conclude that parents and caregivers should be watchful for the potential high risk of postneonatal death among infants with macrosomia from First Nations women. Further research is needed into determining cause and effective prevention programs must be developed.
In a related commentary (pre-embargo link only) http://www.cmaj.ca/embargo/cmaj101700.pdf, Katherine Dray-Donald, Dietetics and Human Nutrition, McGill University, writes, "despite these intriguing results concerning possible protective effects of large-for-gestational-age on infant mortality, the factors leading women to have large-for-gestational-age infants are serious for their health; pregravid obesity, weight gain during pregnancy and gestational diabetes. High birthweights in infants pose their own risks in relation to obesity as well. Good nutrition and healthy weight gains in pregnancy, food security for all, and encouraging breastfeeding and many other factors are needed to close the health disparities between infants of First Nations families and those of other Canadians."
Source: Eurekalert
Drugs in Pregnancy and Lactation
During pregnancy & lactation a nutritious diet, suitable exercise, adequate rest and a tranquil mind help both the mother and fetus and drugs should be avoided.
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The authors conclude that parents and caregivers should be watchful for the potential high risk of postneonatal death among infants with macrosomia from First Nations women. Further research is needed into determining cause and effective prevention programs must be developed.
In a related commentary (pre-embargo link only) http://www.cmaj.ca/embargo/cmaj101700.pdf, Katherine Dray-Donald, Dietetics and Human Nutrition, McGill University, writes, "despite these intriguing results concerning possible protective effects of large-for-gestational-age on infant mortality, the factors leading women to have large-for-gestational-age infants are serious for their health; pregravid obesity, weight gain during pregnancy and gestational diabetes. High birthweights in infants pose their own risks in relation to obesity as well. Good nutrition and healthy weight gains in pregnancy, food security for all, and encouraging breastfeeding and many other factors are needed to close the health disparities between infants of First Nations families and those of other Canadians."
Source: Eurekalert
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