BPA continues to cause fertility concerns


New research shows that the plastic additive BPA can disrupt women’s reproductive systems causing chromosome damage, miscarriages and birth defects.

BPA is found in plastics and aluminum cans

A Washington State University geneticist Patricia Hunt and colleagues at WSU and the University of California-Davis, reported reproductive abnormalities in rhesus monkeys with BPA levels similar to those of humans. BPA, bisphenol A, is found in plastic bottles, the linings of aluminum cans and heat-activated cash register receipts.

Multigenerational infertility

“This chemical that we’re all exposed to could increase the risk of miscarriages and the risk of babies born with birth defects like Down Syndrome,” explained Hunt. “The really stunning thing about the effect is we’re dosing grandma, it’s crossing the placenta and hitting her developing fetus, and if that fetus is female, it’s changing the likelihood that the female is going to ovulate normal eggs. It’s a three-for-one hit.”

Eggs failed to divide properly

The research team exposed gestating monkeys to single daily doses of BPA and also to low level continuous doses and examined the effect on the reproductive systems of the female fetuses. Hunt found that in the earliest state of the adult’s egg development, the egg cell failed to divide properly.

Eggs also failed to grow and develop normally

For monkeys exposed continuously, Hunt found that the eggs were not packaged appropriately in the follicles. This prohibits their ability to grow, develop and mature in order to eventually be released and fertilized. “That’s not good because it looks to us like you’re just throwing away a huge number of eggs that a female would have. It raises concerns about whether or not she’s going to have a really short reproductive lifespan,” Hunt concluded.

Source: WSU, MedicalNewsToday


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