Lisa,
Well thats interesting!! Thank you for posting cause it means that there might be hope for me yet.
Do you remember how much protein you were consuming daily? Was it from real protein? I am consuming a very good quality protein powder, maybe once or twice a day depending on my level of training..

I guess it just goes to show that there is not too much research in to this as you can read that it is not good for conception and then you can read that it help conception!!