Is it bad to introduce hormones from birth control into your body? Is it better for you to let your body just react naturally?

The natural state of a female animal is pregnant and birth control pills, patch, ring mimic pregnancy. But it’s also about risk/benefits. The benefits are – decreased ovarian cancer, endometrial cancer, decreased anemia, better quality of life with less blood or no blood, The risks – are blood clots but we screen for that but it’s a higher risk if you are 35 or older and smoke.