Moderate: Those pills with 30 to 35 micrograms
of ethinyl estradiol or 50 micrograms mestranol were associated with a 1.6-fold higher risk of breast cancer.
High: Birth control pills that had at least 50 micrograms
of ethinyl estradiol or 80 micrograms of mestranol had a threefold higher risk of breast cancer.
Birth control pills provide you a steady dose
of ethinyl estradiol, a synthetic version of estrogen four times higher than your body would naturally produce.
Not exact matches
And in several rivers around the world, endocrine disruptors such as
ethinyl estradiol (EE2), the main component in most oral birth control pills, have been linked to the feminization
of male fish.
«We found that if we exposed mice to one
of two common endocrine disruptors - bisphenol A (BPA) or
ethinyl estradiol (EE), which is the estrogen present in birth control pills, during development, it caused later disruptions in voluntary physical activity once the mice became adults,» said Cheryl Rosenfeld, associate professor
of biomedical sciences in the College
of Veterinary Medicine and a researcher in the Bond Life Sciences Center at MU.
The patch contains 2 types
of hormones: about 150 mcg
of a progestin called norelgestromin and 20 mcg
of a type
of estrogen called
ethinyl estradiol.