I did a lot of research on this, and I was thinking of trying it before I went on Clomid. Soy can work in may ways like estrogen, so there are a lot of people who believe estrogen is bad for your health. There have been no studies really showing any harm in soy (although there are a few organizations that publish data that is not exactly scientific in nature). However, there seems to be evidence (largely anecdotal) that soy works in the same way as Clomid. It blocks the estrogen receptors in the brain, which causes your body to produce more FSH, which stimulates the egg growth and raises estrogen levels. Most will take about 80-150 mg for CD 3-7, and I've heard many people say it improved their O. I'm guessing it isn't as effective as Clomid, but it does seem to work for some, makes no difference for others. I never got to try it myself. I do not believe that soy, in general, is bad for fertility . . . if so, there would not be such a population issue in many Asian countries that have a soy-rich diet. But, that is just my thoughts. I think the bottom line is it may not help, but I don't think it can cause any real harm, especially if you only try it 1-2 months.

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