Pregnancy diabetic

Is 133 high blood sugar levels? I feel sick and absolutely terrible! I was given a log sheet to track my levels and I’ve been on a diet but today I decided a glass of sweet tea would be okay (definitely a TERRIBLE idea) My numbers are usually any where from 90-102 but since the glass of tea at 12 for dinner I have been feeling very shaky and sick. 😭😭😭😭😭😭😭