When it comes to preventing breast cancer, knowing your normal also includes knowing what type of breast tissue you have.

Forty percent of women in Michigan have dense breasts.

A new law in Michigan requires doctors to notify women when they have dense breasts and inform them that that they should consider an MRI in addition to their annual mammogram.

Unfortunately, under Michigan law, that additional testing is not covered by insurance and could cost women $2,000. Other states that have passed a breast density bill that includes a provision that insurances have to pay for those.

Tonight at 6 p.m., WZZM 13 Health Reporter Valerie Lego introduces you to a mom who had to make the choice between a potentially lifesaving test and an out-of-pocket expense.

â–ºMake it easy to keep up to date with more stories like this. Download the WZZM 13 app now.

Have a news tip? Email news@wzzm13.com, visit our Facebook page or Twitter.