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Expecting mothers, beware! A diet rich in fats may up your risk of breast cancer

A study has warned that a fat-rich diet during pregnancy can out you at a risk of breast cancer over generations.

Expecting mothers, beware! A diet rich in fats may up your risk of breast cancer

New Delhi: Pregnancy and the onset of motherhood may be one of the most happiest phases in a woman's life, however, it comes with its own set of concerns.

Pregnant women are given their own diet charts by their respective doctors, trying to maintain a balance of essential vitamins and minerals so that the mother as well as the baby get a wholesome meal with all the requisite nutrients for a healthy pregnancy and delivery.

However, if you're having a diet high in fat, then you need to watch out.

A study has warned that a fat-rich diet during pregnancy can out you at a risk of breast cancer over generations.

Feeding pregnant female mice a diet high in fat derived from common corn oil resulted in genetic changes that substantially increased the susceptibility of breast cancer in three generations of female offspring, according to the study published online in the journal Breast Cancer Research on Monday.

"It is believed that environmental and life-style factors, such as diet, plays a critical role in increasing human breast cancer risk, and so we use animal models to reveal the biological mechanisms responsible for the increase in risk in women and their female progeny," senior author Leena Hilakivi-Clarke, professor of oncology at the Georgetown University, said.

The new study revealed a number of genetic changes in the first and third female generations of mice that were fed high-fat diets during pregnancy, including several genes linked in women to increased breast cancer risk, increased resistance to cancer treatment, poor cancer prognosis and impaired anti-cancer immunity.

In the new study, the amount of fat fed to the experimental mice matched what a human might eat daily. But both the experimental mice and the control mice ate the same amount of calories and they weighed the same.

The experimental mice got 40 percent of their energy from fat, and the control mice got a normal diet that provided 18 percent of their energy from fat. The typical human diet now consists of 33 percent fat, according to the study.

"Studies have shown that pregnant women consume more fat than non-pregnant women, and the increase takes place between the first and second trimester," Hilakivi-Clarke said.

"Of the 1.7 million new cases of breast cancer diagnosed in 2012, 90 percent have no known causes," she said, adding "Putting these facts, and our finding, together really does give food for thought."

(With IANS inputs)

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