Missed period by 6 days but..

Okay so I missed my period by 6 days and ever since then I had like nausea and dizziness and diarrhea and so forth like pregnancy symptoms but I haven’t seen any spotting.. and I missed my period by six days.. and still haven’t gotten a pregnancy test cause people told me to wait 2 weeks.. I don’t know what to do or how i should do it please help!!?