During follow-up of almost 7 years, hormone-releasing IUD use conferred a 40% higher risk of breast cancer. The data showed a trend toward increasing risk with duration of IUD use, reaching 80% among women who reported using the devices for 10-15 years.

The study found an 'unexpected' association between the use of an intrauterine system, also known as an hormonal coil, and an increased risk of the cancer in women aged 15 to 49

Intrauterine devices (IUDs) may raise the chances of a breast cancer diagnosis for women who use the hormonal birth control method, but that

Recent research published in the Journal of the American Medical Association reveals that women using hormonal intrauterine devices (IUDs) may face a 40% higher chance of being diagnosed with breast cancer.