contemplating either pregnant or not?

Hi i had missed my period for 2 days now last month i had light spotting for 3 days after that i had period for 5 days heavy period... Now i had backache,no nausea or morning sickness,feel tired like wanna be on my bed 24/7,mood swing,breast and nipple pain..i haven't check upt yet cause still not sure..maybe someone can give me some opinion..thank you☺