EARLY SIGNS

I JUST WANNA ASK QUESTION :( I REALLY DON'T KNOW WHAT TO DO CAUSE I TESTED NEGATIVE ON PT LAST WEEK BUT I FEEL I AM PREGNANT. I HAVE CRAMPS AND HEADACHES HEARTBURN AND FATIGUE AND MORE. I AM AFRAID TO GO TO DOCTOR CAUSE I DON'T WANT TO KNOW IF I AM REALLY NOT PREGNANT. WHAT SHOULD I KNOW IAM DELAY FOR 1DAY.