"We track it in on our shoes. You can reduce lead exposure by taking off your shoes by as much as 65 percent, which is a no-cost, easy solution," says Taggart.

And the first step, is to stay informed. Taggart warns one of the most harmful toxins to our health: household pesticides. Exposure during the first trimester of pregnancy can increase your child's risk of leukemia by a factor of nine.

Taggart recommends looking for natural ways to kill pests.  For instance, she says mice hate mint. If you have a rodent problem, plant mint around your home.

If would like to learn more about toxic chemicals in your home, you can visit Jennifer Taggart's website at the www.thesmartmama.com.