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"The study involved 387 men and found that men had a 24% reduction in sperm count if their mother ate multiple daily servings of beef while pregnant. Such men were three times more likely to have a sperm count so low they could be classified as sub-fertile. …hormones given to cattle to increase their growth, such as testosterone and progesterone, or the pesticides consumed by these animals might be to blame for the lower sperm counts. ‘Even though males don't start producing sperm until puberty,
it is during the time in their mothers' wombs, and in the early years
of life as an infant, that the testicles develop their capacity to produce
sperm,’ explains Allan Pacey at the University of Sheffield in
the UK.” The findings appear in the journal Human Reproduction.
"Scientists have reported that sperm counts decline with age,
and that sperm begin to lose motility and the ability to swim in a straight
line. The researchers also reported a steady increase in sperm DNA fragmentation
as men grew older … a small proportion of older fathers may be
at increased risk for transmitting multiple genetic and chromosomal
defects.”
Excerpts from…Obesity
‘Link’ to Chemicals in Womb "Prenatal exposure to chemicals found in plastics and pesticides may leave some people more prone to obesity later in life … exposure to chemicals in the womb could encourage a ‘thrifty’ metabolism, in which energy was stored as fat.”
Excerpts from…Maternal
Seafood Consumption in Pregnancy and Neurodevelopment Outcomes in Childhood:
an observational cohort study. "INTERPRETATION: Maternal seafood consumption of less than 340g per week [about 12 ounces, equivalent to three servings] in pregnancy did not protect children from adverse outcomes; rather, we recorded beneficial effects on child neurodevelopment with maternal seafood intakes of more than 340g per week, suggesting that advice to limit seafood consumption could actually be detrimental. These results show that risks from the loss of nutrients were greater than the risks of harm from exposure to trace contaminants in 340g seafood eaten weekly.”
Excerpts from…Trans
Fats May Raise Risk of Infertility "Women who consumed two percent of their daily calories in the form of trans fat—which translates to 4 grams of trans fats for a woman eating 1,800 calories a day—exhibited a 73 percent greater chance of developing ovulatory infertility than those who consumed those calories in the form of carbohydrates. Compared to women eating healthier monounsaturated fats such as olive
oil, trans fat–eating women had a more than twofold risk of developing
ovulatory infertility. The findings appear in the January American
Journal of Clinical Nutrition.”
Excerpts from…A
Prospective Study of Dairy Foods Intake and Anovulatory Infertility. "Conclusions: High intake of low-fat dairy foods may increase the risk of anovulatory infertility whereas intake of high-fat dairy foods may decrease this risk.”
Excerpts from…That
Prenatal Visit May be Months Too Late "Public health officials are now encouraging women to make sure they are in optimal health well in advance of a pregnancy to reduce the risk of preventable birth defects and complications. They have recast the message to emphasize not only prenatal care, as they did in the past, but also what they are calling ‘preconception care’. Half of all pregnancies in the United States are unplanned, experts
say, and preparing for a healthy pregnancy can require behavioral changes
that may take months. Even daily supplements of folic acid should ideally
be taken for three months before conception.” Excerpts from… Iron Supplements May Reduce Risk for Ovulatory Infertility News Author: Laurie Barclay, MD Medscape Medical News, November 1, 2006 "Consumption of iron supplements and nonheme iron from other sources may decrease the risk of ovulatory infertility … given that iron deficiency is commonly found among women of reproductive age and may be associated with adverse pregnancy and perinatal outcomes, women planning to become pregnant should consider using iron supplements because they may help them prevent iron deficiency and also improve fertility."
Excerpts from…Predicting
Preschooler Obesity at Birth: The Role of Maternal Obesity in Early
Pregnancy "Obesity before pregnancy linked to childhood weight problems. A new study shows that a child’s weight may be influenced by the mother before the child is actually born. The study showed that a child is more likely to be overweight at a very young age, 2 or 3, if the mother was overweight or obese before she became pregnant. And of course, we now know that if children become overweight, they are more likely to be overweight in adulthood, perpetuating the problem.”
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