Very late peiod, could i be pregnant?

Patient: Hi, im 26 and my periods have been pretty regular for while now and as of now its been 47 days since the first day of my last period and i havent been this late ever since my periods started becoming regular.me and my husband have started trying to conceive since my last period and i have taken 4 or 5 negative pregnancy tests.is there a chance im pregnant?

Doctor: