Hi Doc I And My Boyfriend Had Sex.. And It

Hi doc i and my boyfriend had sex.. and it was my first time.. we had unprotected sex.. he did not ejaculated inside.. but to be on safer side i had an i-pill after 48 hours... aftr 4 days I experienced thick white discharge from my vegina.. It causes itching as well as burns the area.. now i am scared.. am I pregnant or is this normal? If i see a doc with my mum would she knw i had sex?