Watery blood

Hello everyone , I am 12 wks 2 days today according to my ultrasound . Suddenly I started bleeding ( light blood ( it’s like blood mixed with water) but for few seconds . I felt like I am peeing but it was blood . And I wore a pad and I am sleeping in my bed . What do I do? Do I go to emergency? I am having stomach pain too like squeezing from inside . I started taking baby aspirin since yesterday. I don’t have any idea what do I do? I am 12 wk 2 days today. Give me some suggestions MaMa .