Confused ? Anyone experienced the same ?

Last period 20/8 🥲 tak ada tanda nk period, perut terasa kembung, so gassy kerja nk buang angin je, sllu jga cek upt sbb tkt pregnant, tp still negative, sedihh , now tiba2 rasa mual2 n pusing skit tp tak teruk but today whole day sllu rasa mual n pening, cuma pandai hilang skjp2 , sllu nk period tak pernah rasa mual n pening, rasa sesak nafas / pdih hulu hati, dalam kereta mmg totally pandaii sakit kpla even tak pgg phone , temp body pndai naik turun , few days demam , tp tak mual , pns bdn