October 17th 2024.
A recent international study conducted on hundreds of thousands of women has found a concerning link between a popular contraceptive device and an increased risk of breast cancer. The study focused on hormonal intrauterine devices, specifically the Mirena, which have been steadily gaining popularity in recent years. In fact, it is estimated that about one in eight Australian women of reproductive age are currently using this type of contraceptive.
These devices have gained popularity due to their impressive efficacy rate of over 99%, making them one of the most effective forms of contraception that do not require daily or monthly interventions. However, the new study published in JAMA today by a Danish research team raises some red flags. The team tracked over 156,000 women aged 15 to 49 for an average of 6.8 years. Half of the women had a levonorgestrel-releasing device, such as the Mirena or Kyleena, inserted while the other half did not.
The results showed that women who had been using an IUD for less than five years had a 30% increased risk of breast cancer by the end of the study period. The risk was even higher for those who had been using IUDs for between five and 10 years, with a 40% increase in risk. The most concerning finding was that women who had been using an IUD for between 10 and 15 years had an 80% increased risk of breast cancer compared to those who had not used an IUD for a similar duration.
The researchers noted that the risk was comparable to that of women who use the contraceptive pill. While the overall risk of developing breast cancer is still low, experts are urging for more comprehensive discussions about contraceptive options. Dr Sara Whitburn, Deputy Medical Director at Sexual Health Victoria, emphasized the importance of being fully informed about the potential risks.
She explained that this study adds to the growing evidence of a link between IUDs and other progesterone-based contraceptives and an increased risk of breast cancer. However, she also pointed out that the overall risk is still relatively small. Other factors such as obesity, alcohol intake, and the number of pregnancies a woman has had also contribute to the risk of breast cancer, which increases with age.
On the other hand, there is evidence that progesterone-based contraceptives can actually reduce the risk of other types of cancer, such as endometrial and ovarian cancers. So, while the findings of this study may be concerning, it is essential to consider all factors and have an open and informed discussion about contraceptive options.
In light of this new information, experts are urging women to stay informed and stay on top of the latest developments and research in this field. One way to do this is by following news and updates through platforms like our WhatsApp channel, where you can stay informed about breaking news, celebrity updates, and sports news without any interference from algorithms or privacy concerns. It's important to stay informed, but it's also important to ensure your privacy and well-being.
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