Very Stupid Question..(abt poop)

okay...this is kind of embarrassing...and i know it makes me.look stupid...but ive gotten 2 faint lines on 2 test. .......ive heard tht when you get pregnant it can chabge the way your poop appears...well even though ive gotten 2 vvf bfp....still not sure if i am.....but my poop has been kinda stramge looking latley....its got like...white stuff on it (im so sprry for the tmi) but i just dont know...has amyone had tht happened to them