One side pain/discomfort.

So I’m about 5w. Appointment with OB isn’t until March 6 for an ultrasound. Yesterday I had sharp pain on my right side that lasted for a few minutes and then went away. I’ve have most of my cramping and discomfort on this side. This is my first pregnancy and from what I’ve read sharp pain isn’t normal. Should I be concerned about an ectopic? Am I over analyzing? Help!