Thought this might be helpful to some of you. I found to my dismay that I'd purchased some diet water/juice drinks with red clover in them and that it contained 10x the phytoestrogens in soy :o I woke up this morning feeling horrible and drank another bottle before I found this out!! AGHH!!!
Anyway this article I found when researching red clover talks about women with hormonal imbalances and the effects of phytoestrogens on them:
http://www.excellenthealth.ca/estrogen_dominance.htm