Spotting at 5 weeks

Melissa
Last night I was doing laundry and I had to go pee for the 6th time of the day and when I went I was bleeding. The blood was a reddish brown and it freaked me out . Today it's gone but has anyone else had this happen to them ? Also no pain but it was still scary and I keep thinking about it. I guess if it happens again I'll go to the ER :/