Implantation Cramping or Cysts?

Dianna
My DH and have not been ttc for long (this is our first month) so I am trying to take it all in stride. My DH however is convinced that we will get a BFP on our first try. This month was our first time BD on my fertile day and not using the withdrawal method. Glow had predicted my most fertile day to be Monday so we had BD on Monday night, however my CM didn't look like it was at "peak fertility" until Tuesday, so we had BD on Tuesday night again.
Now since yesterday, every so often I have been getting random sudden sharp pains on the right. They only last a couple of minutes, and they were stronger than when I get the ovulation mid-cycle pains.  I haven't had an episode of these pains since this morning so it seems to have passed, however I am half hoping and half worried.  On the one hand I would be so excited if we were pregnant already, but a part of me worries it's cysts or something worse. I have a history of breast cysts so I always wondered if I could develop cysts elsewhere. 
My period is not due until the 21st (or there about) and January's period would've been the first time in a year that I had a "real" period after stopping the BC at the end of November.