Excess Weight During Pregnancy Tied to Fertility Issues in Sons

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Overweight spoils may be more likely to have infertile sons, Danish researchers blast.Their study included 9,232 men and women aged 31 to 34. Amid this group, 10 percent were born to underweight materfamilias, having a body mass index below 18.5; 77 percent to standard weight mothers; and 13 percent to overweight or obese mothers, with a pre-pregnancy B.M.I. on 25.By examining records of infertility diagnosis and treatment, the scientists organize that sons born to overweight mothers were 40 percent myriad likely to be infertile than those born to mothers of normal preponderance. Sons with underweight mothers had no increased rates of infertility, and a old lady’s weight had no effect on the fertility of her daughters. The study, published in AOGS, controlled for tender age, smoking, alcohol consumption, socioeconomic status and other factors.The object for the association is unknown, but the authors suggest that being overweight is an suggestion of hormonal imbalance, which could interfere with prenatal maturation of the male reproductive system.The lead author, Dr. Linn H. Arendt, an obstetrician at Aarhus University in Denmark, revealed that being overweight in pregnancy is unhealthy for several reasons, and that scad women are aware that obesity poses risks. She said that this is the first off study to show an association between maternal B.M.I. and infertility in adult sons, but that she intention not make a point of warning women about this issue.

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