Because when you
consider your exposure over the course of a lifetime, it really adds up; the average American woman uses up to 16,800 tampons in her lifetime — or as many as 24,360 if she's on
estrogen replacement therapy.
If you have an
estrogen / progesterone deficiency, which you can find out with a 24 - hour urine test, you may want to
consider a bio-identical hormone
replacement by a credential pharmacy.