I can also finally answer this thread! I just got mine last week and ds is 26 months old -- so almost exactly three years w/o a period...it was kind of nice.
But, we're ttc and just nightweaned, and within 2 weeks of starting the nightweaning -- surprise, surprise, there's the period.
However, I've been reading Taking Charge of Your Fertility, and I don't think I ovulated, just bled.
maybe next month.