There is no concrete breast cancer insurance; no insurance policy can guarantee that you will not be one of the women who are diagnosed with breast cancer; there is no specific way how you can avoid it. Actually the best insurance is against breast cancer is to detect it as easily as possible and therefore the probability that is can be treated is a lot bigger.

There are some precautions that you can take from very early age as insurance against breast cancer: first of all examine your breast every month against lumps of abnormal formations in them. Go to a doctor to have your breasts examined every year since the age of 20 by a physician or other health care professional. Definitely have a baseline mammogram by the time you turn 40, a screening mammogram once a year or every two years between ages 40 and 49, and a yearly mammogram after you have turned 50. 

As it was said before there is no breast cancer insurance, but you do not have to worry about it if you take the previously mentioned preventative measures and try to live as healthy life as possible. You only live once, so make sure that this one life is a long one.