Suggest Remedy For Delay In Period After Putting Nuva Ring

Hi. My last period was June 19th I am on nuva ring I left it out for about 3 days and put it back in well I just took the ring out today after 6 weeks of it being in. Still no period. I had unprotected sex June 28th. I ve been exhausted, having cramps and severely bloated. I m a little confused because a dr told me I could start my period with the ring in, if it was in for to long. Help, could I be pregnant?