The mother's age at childbirth may affect her baby boy's birth weight as well as his adult glucose metabolism, reveals a new research.
Charlotte Verroken of Ghent University Hospital in Ghent, Belgium, said that their findings indicate that women giving birth at a very young (under 25 years) or older (over 34 years) age might result in less favorable sugar handling and thus possibly higher risk for developing type 2 diabetes in their sons.
Maternal age at childbirth tends to be increasing worldwide, but studies investigating the effects of this trend on the metabolic health of the offspring are scarce. Whether or not and how this affects children is relatively unknown, but current thinking is that part of the association between maternal age and insulin resistance may be related to the tendency of birth weight to increase as maternal age rises.
Verroken added that they found that in a group of healthy men between 25 and 45 years old, sugar handling was related to their mother's age at childbirth, specifically, sons of mothers under 30 and over 34 years old at childbirth were more insulin resistant than were sons of mothers between 30 and 34 years old.
Verroken continued that moreover, sons of mothers who were younger than 25 years old at childbirth had higher fasting blood sugar levels than sons of older mothers.
The researchers determined that the men's total cholesterol, glucose and insulin levels in fasting serum samples and they evaluated insulin resistance. After adjusting for adult age and body mass index, they found that, as the mother's age increased, the baby's birth weight increased and his fasting glucose levels and insulin resistance values decreased.
The sons of mothers aged 30 to 34 at childbirth had significantly lower fasting insulin levels and insulin resistance values compared to sons of mothers in the other age groups, while sons of mothers aged under 25 years of age had higher fasting glucose levels compared to sons of mothers aged 30 through 34, and sons of mothers aged 35 and above.
These associations were independent of adult age, birth weight and body mass index. No associations were found between maternal age and body composition, blood pressure or cholesterol levels. The authors called for further research before these conclusions can be generalized.
Source:Ghent University Hospital
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