Just irregularities or should I take a test?

Jennifer • Married my best friend💕💍 #10102020
I was on the pill for about 5 years, and stopped after I realized how much of a toll it took on my mental and physical health about 7 months ago. My boyfriend of 7 yrs and I have been (stupidly) relying on the pull out method because we got so used to unprotected because of the pill. Up until now, my period has been either on time or early by a day or two, or late by a day after stopping the pill. 
My period is now going on 3 days late. I'm having a panic attack and thinking that my stress might be delaying my period. I'm irresponsible, I know this already so no need to tell me that. I'm just scared and don't know what to do. I have my yearly checkup at my gynecologist on Friday and I'm wondering if I should wait until then to do anything. 
If it helps, I'll be 22 in less than 2 weeks. 

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