A study published in the journal Plos Medicine from United Kingdom provided results on the relationship of hormonal contraceptives and breast cancer, regardless of whether it was oral or injected, and whether it contained mixed estrogen-progestin hormones or progestin-only.
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The new study revealed that women using hormonal contraceptives have an increased risk of about 20% to 30% of developing breast cancer.
The study concluded that there is a relationship with age, since the risk is lower in women who use contraceptives from a young age than those who start using them at older ages.
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The scientists studied the cases and controls of 10,000 women under the age of 50 with breast cancer who were in the Clinical Practice Research Datalink (Cprd), registered between January 1, 1996 and September 20, 2017.
Taking into account the relevance of age, the scientists used women between the ages of 16 and 20 who used contraception for a period of five years and identified eight cases of breast cancer per 100,000. While, among women between 35 and 39 years old, it was 265 cases per 100,000.
This week, the results were released and these scientific discoveries were published.. The relationship between hormonal contraceptives and breast cancer is something that has already been talked about, however, there was not a considerable number of studies that pointed to these results.
However, the scientists explain that this should be analyzed in more depth, since the use of contraceptives also brings benefits and provides protection for other female cancers such as ovarian and endometrial cancer.
It was also confirmed that the risk of breast cancer decreases years after a woman stops using hormonal contraceptives.
