I have been diagnosed with Stage 3 C ovarian cancer. I also have Crohns Disease (45 years) and have recently also been diagnosed with a gluten intolerance. I also have a milk intolerance. Because I can tolerate soy milk, yogurt, cheese and flour. I am concernd about the pytoestrogens in the soy products. I do not take any supplements with pytoestrogens. I am on Taxol and Carboplatin chemotherapy - every 3 weeks. I do not want anything to interfere with the chemo and I want to maintain nutrition. Do I need to be concerned about consuming each day approximagely 1 - 1/2 cup soy milk, 1 cup soy yogurt and about 1/4 soy flour in baked products. I eaat 1/4 cup soy cheese 3 times a week.
A: Because of the complexity of your case, I would highly recommend you meet individually with a registered dietitian who can help outline a personalized nutritional plan to best meet your needs while taking into account some of your limitations. The data regarding phytoestrogen intake with hormone-sensitive cancers such as yours continues to evolve. What seems clear at this point is that dietary supplements containing phytoestrogens should be avoided - so I would applaud your adherence to this restriction. More study is needed to determine to what degree naturally-ocurring dietary phytoestrogens (such as those found in soy foods/beverages) affect the cancer. It sounds like you're currently consuming at least 3 servings of soy foods per day. Most conservative recommendations would suggest limiting consumption to 1-2 servings daily until more is known about this controversial topic. Beans/lentils/nuts may be a healthy alternative to some of your soy products as these provide protein similar to soy and they should not interfere with your food intolerance.