i had my first ever period on 21st april and i was 100 ish days late until today? kinda. so ik being irregular when u first start is normal but i got a lot of dark/light brown discharge as though it was a period and idk if this is normal? also i have swimming wednesday and seeings as i have only had 1 period i don’t know how to work tampons and if too scared and idk if this brown stuff will come out in the water... please please reply i’m worried and confused