Positive urine but negative blood?

sarah سـاره • 👧🏻 18Dec18 🧒🏻 21Sep21
hi.. i did clearblue digatal pregnancy test and it showed POSITIVE! after this i went to the hospital to do beta HCG blood test and it was 0.100 which it is negative. i wish that i am pregnant and i felt so sad.. can the blood test be wrong???? baby dust please 👶🏼