I have googled and I am in the process of changing doctors.
I would think that most common teas are ok but I thought I would ask here to see if anyone knew off the top of their head about bad ones.
I would suggest that you check with reliable sources on this as I know that many common herbal teas have not been effectively researched in terms of safety for pregnant women, and I would assume you might want to be cautious after O when TTC as well. From my own research, the only herbal tea that I have found to be safe is Rooibos, as it has been used by S. African pregnant women for a long time. I think I may have read about the teas in this book:
Dr. Elisabeth Aron