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16 paź 2024 · Those who used levonorgestrel IUDs had a 40 percent higher chance of developing breast cancer. For women in their 30s in the United States, that would take the risk of breast cancer from about 1 ...
8 mar 2022 · Levonorgestrel intrauterine sustained release system (LNG-IUS) is an intrauterine hormonal contraceptive device. Breast cancer (BC) was the most common type of cancer in women in the world in 2020. The relationship between LNG-IUS and BC is controversial.
4 dni temu · Here's what the evidence says. A new study has found a link between hormonal intrauterine devices (IUDs) and breast cancer. The research is important, but media reports of a large increase in risk ...
2 paź 2024 · Key Objective. Is hormonal contraception use associated with the risk of breast cancer (BC) for women with germline mutations in BRCA1 and BRCA2? Knowledge Generated.
Our meta-analysis results indicated increased breast cancer risk in LNG-IUS users: for all women, odds ratio (OR) = 1.16 (95% CI 1.06-1.28, I 2 = 78%, P < .01); for women aged <50 years, OR = 1.12 (95% CI 1.02-1.22, I 2 = 66%, P = .02); and for women aged ≥50 years, OR = 1.52 (95% CI 1.34-1.72, I 2 = 0%, P = .84).
This study found that the overall risk of breast cancer among hormonal contraceptive users is low. Because of the low baseline risks in the age groups using hormonal contraception (ie, premenopausal women), the risk difference between hormonal contraception users and nonusers is small.
29 lip 2022 · Breast cancer and hormonal contraceptives: collaborative reanalysis of individual data on 53,297 women with breast cancer and 1,00,239 women without breast cancer from 54 epidemiological studies
