Has anyone had frequent bowel movement since they became pregnant.

Hi ladies i am currently 8 weeks and 2 days and since i became pregnant i literally have to use the bathroom so manu times a day for number 2 that is insane. And today i have diarrhea and also my poop color change. Is anyone going thru this. ? I get nervous its not my first child it will be my 3rd but i never had this before. Can anyone help me and make me feel better. My appointment is on monday. Idk if i should call doctor now or anything i know its not crazy but its different.