>  I have seen several studies relating to
> bfeeding protecting against premenop. cancer but was wondering whether this
> is also the case for the types of breastcancer that clearly run in families
> (I understand that there are several oncogenes involved)?
>


Sarah,

Here is a reference I had.  Hope it's useful to her.  Very scary situation.

Lisa Updike
Roanok, VA


A study of 6705 cases and 9341 controls of women with a family history of
breast cancer (often occurring before menopause) found that breast cancer
risk was lowered by breastfeeding for any length of time in pre-menopausal
women (Egan et al.,1998).

Egan, K., Stampfer, M., Rosner, B., Trichopoulos, D., Newcomb, P.,
Trentham-Dietz, A., Longnecker, M., Mittendorf, R., Greenberg, E., & Willett,
W. (1998). Risk factors for breast cancer in women with a breast cancer
family history. Cancer Epidemiology Biomarkers and Prevention,
May;7(5):359-64.

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