New Evidence: IVF Increases Breast Cancer Risk

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New Evidence: IVF Increases Breast Cancer Risk
New Evidence: IVF Increases Breast Cancer Risk

Video: New Evidence: IVF Increases Breast Cancer Risk

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Video: IVF doesn't increase breast cancer risk 2023, February
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New Evidence: IVF Increases Breast Cancer Risk

A study by the University of Copenhagen showed that women who gave birth to children with IVF are more likely to develop breast cancer. The results were presented at the annual meeting of the European Society for Human Reproduction and Embryology in Vienna.

New Evidence: IVF Increases Breast Cancer Risk
New Evidence: IVF Increases Breast Cancer Risk

Photo: pxhere.com /

A study by the University of Copenhagen showed that women who gave birth to children with IVF are more likely to develop breast cancer. The results were presented at the annual meeting of the European Society for Human Reproduction and Embryology in Vienna.

The researchers analyzed data from 625,712 Danish women who had been tracked for 21 years. Some women received assisted reproductive therapy (IVF).

It was found that women undergoing fertility treatment have an increased risk of developing breast cancer - among them, the probability of getting sick is 10% higher.

For women who begin fertility treatment over the age of 40, the risk rises to 31%, adjusted for grade zero (no children), which is a known risk factor for breast cancer.

“We are seeing a gradual increase in risk, especially among women over 40,” said Ditte Vassard, who presented the results of the study at the conference.

Women whose first child was born as a result of IVF at the age of 40 and older are 65% more likely to get sick than with spontaneous conception at the same age. The researchers suggested that the "culprit" may be a change in hormonal levels. IVF usually involves the use of potent drugs that stimulate the ovaries to grow eggs, which leads to increased estrogen levels, thereby increasing the risk of certain types of breast cancer.

“The increased risk may be related to age-related vulnerability to hormone exposure or to higher doses of hormones during treatment,” said Ditte Wassard.

The experts called the results obtained "a wake-up call" and noted the need to warn patients of potential danger.

“This finding underscores the need to counsel women about the potential risks to their health in the future,” explained Professor Geeta Nargund of St George's Hospital in London.

“The use of medications and dosages should be kept to a minimum. We cannot be satisfied with the long-term consequences. Previous research has been encouraging for breast cancer, but the discussion is clearly not closed,”added Dr. Jane Stewart, Chair of the British Fertility Society.

“This discovery should not be alarming. The findings should trigger further research to confirm the increased risk,”summed up Dr. Roy Farquharson of Liverpool Women's Hospital.

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