Im either pregnant or paranoid

Sonia-Gaye
Recently had unprotected sex with my SO.... we aren't trying for a baby so I took the MAP... however I don't think ir worked... ppl are telling me a week is too soon to be having symptoms but i have nausea... im Moody... waaaaayyyy too emotional.. today started having backpain.... do you all think I'm paranoid as well.. #perioddu ein4dayd