Breast milk

I always have unprotected sex with my boyfriend and seem the last time i had my period we had sex everyday. My boyfriend asked me a weird question after sex he said "your breasts are salty" i just laugh it of i went to shower and my boobs looked bigger idk if it was and instinct but i press on me right breast and a watery substance came out of my nipple i was been 3 days and watery white milky substance keeps coming out from both breast am i pregnant? Im only 17 and i am scared