Signs of miscarriage??

Im 9 weeks on saturday with my second child, i have just finished moving houses and just before i all of a sudden had a urge to go toilet for number twos sorry for tmi, and it was like diareaha, sorry i dont know how to spell it, it had some darkesh kinda colour when i wiped both ends and looked like a ting of blood but im not pacifically sure.. is this signs of miscarriage? ?