Do GMO Crops Cause Infertility? Long Term GMO Food Diet Study Revealed

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Do GMO crops cause infertility? It’s quite possible they do. Scientists completed a long term study and discovered that GMO crops cause infertility in mice.  If you or a loved one have suffered with infertility issues, you may want to ditch the GMOs and go organic. Wondering what GMO crops are? They are special plants that have been biologically altered by scientists to grow with genes and traits from other species. The first genetically modified corn crop was developed in 1996. Despite many controversial discussions about its safety, until now there hasn’t been a long term study on the effects of GMO corn. Many critics claim including GMO foods into our diets is dangerous. Thanks to the work of an Austrian group, there’s evidence that may prove GMO crops cause infertility.

Drs. A. Velimirov, C. Binter, and University Prof. Dr. J. Zentek released their results of a long term reproductive study on GMO fed mice. They examined the effects of a GMO corn crop on 4 generations of mice. They also looked at a life-term feeding study of the lab mice. The control mice were given identical living arrangements. The only difference in their existence was the introduction of GMO corn to one group of mice.

Do GMO crops cause infertility? Scientists reveal reasons that it may in new study.
Do GMO crops cause infertility? Scientists reveal reasons that it may in new study.

The scientists found no significant difference in the life-spans or survival rates of the mice. But they did mention a high rate of death due to cancer.

GMO Crops Cause Infertility in Some Mice After 4th Generation

The GMO crop fed mice in the generational study had a lower number of pups weaned, had smaller litter sizes. Weights at the time of weaning were also lower. There was a higher number of still birth in the GM group. These differences were consistent over the generations but not significant.

The scientists determine that, “It might be speculated that not all mice were compromised by the GM feed because of the high genetic variation between the test animals. The effects on litter size and weight became more notable in the 4th generation” (84).

This type of study has not yet been conducted in the field. These scientists focused mainly on short-term feeding trials. They looked for nutritive equivalence to traditional feeds, and discovered there were questions on the toxicity and long term effects of GMO crops.

The scientists discovered that over time the mice fed genetically modified corn had a steady declined in litter size despite the fact that they were eating an identical diet as the control group in regards to energy and nutrient intakes. In the third and fourth litters there were significantly lower numbers of pups.

The genetically modified feed group always had smaller litters then the control group. They also found that the birth weights had declined in the third and fourth litters.

The scientists conclude that, “Lower reproductive performance can be considered as indicator for a dietary effect. It can be speculated, that this effect was caused by a factor beyond nutrient supply” (85).

Kidney size was affected. GMO fed mice had smaller kidneys than control mice. Scientists say that since livers and kidneys are important for detoxing the body, this change shows that the GM fed mice are at higher risk for health issues.

The scientists did a genome study on the gut tissue of the mice in both groups. It did not show anything specific. They did find a high number of deregulated genes in the GM group, pointing to a complex nutrition-host interaction. They also urge more studies to be conducted on additional species of animals.

Although this study does not prove that GMO crops cause infertility in humans, it shows there is good reason to switch to conventional and organic foods, especially if you are trying to conceive or are already pregnant.

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