TTC after miscarriage

I had an early miscarriage the first week of February. The bleeding only lasted for one day. I bled (my period I guess) again on February 29 - March 1, only 1-1/2 days. On March 3 I spotted once. That's the only time I bled since my last period on December 30th.

So how long should it take for my cycle to go back to normal? I was so regular all the time before. I am very anxious and excited about TTC. Just want to know what's going on with my cycle.