Cramping to one side?

Sara
This is my first and most of my cramping has been to my left side. I know that cramping is normal but I'm scared to death of an etopic pregnancy. I had an IUD (mirena) for a few years before TTC for 11 months to get my BFP the day after my birthday. I'm probably calling my OB in the morning since my appt isn't until 2/19- I was just hoping someone else has had/is have this too!