Quoted from the 1990 LLLI Fact Sheet:

Brock, KE et al.  Sexual, reproductive and contraceptive risk factors for
carcinoma-in-situ of the uterine cervix in Sidney.  Med J Austr, 1989
        A protective effect was found for women who breastfeed.

Schneider II, AP.  Risk factor for ovarian cancer.  N Eng J Med, 1987.
        Breastfeeding should be added to the list of factors that
decrease "ovulatory age" and thereby decrease the risk of ovarian cancer.

Karen Zeretzke, MEd, IBCLC
Baton Rouge, Louisiana
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