I had unprotected sex two days ago and woke up today with a sore throat i gave him head and think that may be the reason but what's happening to me and why is my throat the way it is today .is bleeding normal it was my first time lossing my virginity?

Oral STDs rarely cause sore throat or other symptoms. However, oral sex itself sometimes results in throat pain afterward (for unknown reasons). Perhaps most likely is just a common cold, especially if your partner also has cold symptoms. Mild vaginal bleeding is very common after first vaginal intercourse. But see a doctor if all this continues or you otherwise remain concerned. Good luck.