It also has beneficial effects on breast cancer and may well prevent it. All this with no down side. But this is for those women who are looking for prevention. I would not use soy as my only treatment for osteoporosis for example. Lab tests, mammograms, ultrasounds are all okay.
Breast cysts are fluid filled sacs which occur in the breast of premenopausal women.
They do not increase the risk of breast cancer. If it is for relief of the time limited symptoms of menopause then you have to decide whether the symptoms are worse than cysts. Let's go to the audience again for a question. Recently we are finally seeing research on how much estrogen you really need to prevent osteoporosis. To many people's surprise a recent study showed that .3 was as good as .625 of Premarin.