Hi mommies I need adive please im trying to conceive amd I dont know if im pregnant or not but im…

Hi mommies I need adive please im trying to conceive amd I dont know if im pregnant or not but im having spotting witch I never do my lower back hurts like hell and I got this reddish to brown mark om (my you know what) its not a rash it doesnt itch ir burn nothing. Im helpless I did a test but was negative please help #myfirstpost