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One study warned that children of women who were overweight before childbirth were 40% more likely to develop infertility.
Danish researchers studied 9,232 adults and found that almost 9% of them were infertile.
The team found an association between a mother’s weight during pregnancy and a higher risk of infertility in male children. But the same does not seem to apply to girls of overweight women.
Obesity causes a number of changes in the body that can have effects on the development of the fetus – in particular, it leads to inflammation.
It is believed that hormonal disturbances or mineral deficiencies, caused by obesity, can also slow the growth of the unborn child.
Infertility is a global public health problem and it is important that research focuses on addressing risk factors, said article author and epidemiologist Lynn Arendt, Danish University of Aarhus.
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“These results add to the evidence that pregnancy weight can also affect male reproductive health in the future,” Arendt added. “Preventing weight gain during pregnancy can be an important tool in preserving fertility for future generations.”
In the researchers’ study, just over 9% of participants were infertile, which is lower than the global figures given the ages of people in their 30s.
After taking into account potential confounding factors such as maternal age, smoking history, and drinking habits, the team found that the children of women with a BMI over 25 kg before pregnancy were 40% higher. likely to suffer from infertility.
Dr Arendt explained that maternal weight gain can affect the reproductive health of the offspring through several possible mechanisms.
“Certain chemicals that cause endocrine disruption accumulate in fatty tissue and can become bioavailable and enter the bloodstream of mother and fetus as the mother’s fat stores are restructured during pregnancy,” a- she declared.
Obesity is also associated with low grade metabolic inflammation and is a suggested factor in programming reproductive capacity early in life.
Previous studies in boys and girls have indicated that there may be a link between maternal weight gain and precocious puberty – in addition to other hormonal markers of reproductive health.
In men, being overweight in mothers increases the risk of genital abnormalities and reduces the quality of sperm.
This study supports the hypothesis that maternal weight gain affects the reproductive health of male offspring, but more studies are needed.
And a previous study from the United States found that boys – not girls – born to obese mothers had poorer motor skills at age three and IQ scores below age seven.
She advises obese women to lose weight before pregnancy, for their own sake and the health of their children.
The full results of the study are published in the journal Acta Obstetricia and Gynecologica Scandinavica.
Source: Daily Mail
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