To test or not to test (some people may think this is TMI)

Kristall
Ok. So period is to start in 3 days. However I am not having my normal symptoms...here comes to possible TMI  (normal symptoms for me usually are brown discharge and lots of it and whenever I have a bowel movement bright blood comes out vaginally not rectally). So I have had none of those. What I have had is...some light nausea and some cramps off and on. 
I want to test but am so nervous. I want to be pregnant so bad! Also glow says it's ok to test. 
Thanks everyone! 

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