My last periods was on 21st jan 2021 . I have done unprocted sex at 28th jan 2021. and again I have done unprotected sex at 26th feb 2021. My periods cycle is normally 34 days to 38 days. I also faced UTI infection at 12th feb & take UTI medicines. I take covid 19 vaccine also at 15th feb 2021. Now I missed my periods. Its 5 days delay, I have checked urine
pregnancy test but its negative. May I
pregnant ??? If no then why is my periods delay???