not sure if im prgante and cant go to doctor bc no insurence and

me and my boyfriend have been having unproteced sex for 15 months never pulling out to finish. late feburary begin of march we thought we got pregant bc my period was 2 weeks late and im always right on time! we took a tast it was negitive and i eventually got my period two weeks late and it was short and light my normal period is 8 to 10 days and very heavy well it was 3 to 5 days and light. and ever since then its been a weekish late and very light and short 3 to 5 days then about two weeks ago ive been feeling movement? i think it feels as if my heart is beating very fast in my stomach sometimes and other times it feels like im havin a twitch in my stomach. so i got nervous and took two tests both the same thing it was the cheap ones that have the lines two lines ur pregant one not pregant well both tests took both 1st morning pee different days. well there was two lines but the one thats says pregant was light. now im having alot of vaginal discharge. more than every before! its clear and no smell. its so bad my underware get soaked ill take my pants off and there will b strings of this discharge from each of my legs so ive been wearing panty liners its not from bein aroused and i havnt had sex in two weeks soo can u help me please! btw im 15