Hi.im 12days Delay.but The Last Pregnancy Test Result Is Still

Hi.im 12days delay.but the last pregnancy test result is still not sure because i saw very light faint line,and i feel some symtoms like vibration on my lower abdomen,always tired,and always going toilet to pee.im waiting for 2weeks.to check again if i will get sure possitive.but i feel cramping,and something in my vagina.im afraid because i experience misscarriage before, last march, and that day i got check up, my period and pain cmes but before that my doctor told me that im pregnant. Help me.plss
Now im feeling this again. I know iam pregnant because of some signs and light line,but im cramping now. Im taking duphaston even i didnt consult yet to my doctor.because i dont want any mistakes anymore.