missed a period need advice

[sam221985]

I had unprotected sex in mid-April on day 8 of my cycle. (8 days after my period started.) Then my period began as expected on May 4th. My cycle was not as heavy as usual but it did last about 5 days. I have yet to start my period for June, which was due to start on June 1st, so I will be 2 weeks late for my period this Friday. My cycles have been a little strange since February, but they normally would start sooner than expected or I would bleed inbetween cycles. This month I have had no bleeding or signs that my period is going to start whatsoever except that my face started to break out a little bit about a week ago. I am assuming that I cannot be pregnant because I had intercourse on day 8 which is pretty far before I should have ovulated and due to the fact that I started my period on time the following month. I'm still nervous, however because I have never been late for a period before now. I don't think stress is a particlary big factor and diet/weight loss aren't either. Should I wait to see if I start next month before going to the doctor?