Asking about pregnancy

Helo po ..ask ko lng po .nanganak po aku nung january 16, 2021 via cs pangalawang baby ko po pure bf po ..then march 17, 2021 neregla po aku hanggang march 21 .tapos nung april at may po hindi po aku ne regla nag pt po aku nung firstweek ng may negative po then nung may 15 nag pt din aku negative din ..anu po ba ibig sabihin nito buntis ba aku?😥sana may mka sagot po ..salamat