TMI... Disgusting but I need your advice X

Can anyone help me? Me & my DH have been trying for a baby for about 2 months and this jut came out.... Could it have been that I may have been pregnant but not known about it? Never seen anything like this before ever. I thought it was my period coming at the start of the week but for about 4 days it was very light pink and hardly any of it. Been bleeding quite heavy today and then that came out? Any ideas please ladies I need your help xxx