Period tak regular

hai semua..just nak story ,sebelum ni period sye mmg x regular , so 31.7 ade oegi buat scan n doc ckp rahim normal n cantik no fibroid ,cyst ..lps tu 24.8 i dtg period..tu last period sye smpai skrg x dtg2 lg..tp 1.10 ade kluar lendir mcm putih terus n spotting sikit warna coklat cair mcm tu ..bdn mcm nk demam ,muntah kdg2 ,perut pun berangin je..pening2 jga..tp dh test upt bnyk kli tetap -ve..anyone yg pernah alami tak ? are u pregnant ?