I just tried all that and couldn't do it either. When I go to settings all I can see is the threads I'm subscribed to. So it's not just you.
IVF #1-cancelled d/t embryos arresting before transfer (3/09)
IVF #2-BFP 9wks-7/30/09 (6/09)
IVF #3-BFN (5/10)
Its not just you. They are still working on the new boards and adding all those features back.