Is this normal?

Whitney
Earlier today I noticed a bit of brown discharge. I'm 5 weeks 3 days pregnant and so far everything has been going pretty smoothly. I don't think I feel any cramps, but I have a pretty high threshold for pain, and I haven't seen anymore since then. I had an ectopic pregnancy a couple of months ago so I'm pretty jumpy about all of this. This is definitely not the same as last time. I started looking online and mostly read that this could be completely normal. I'll be talking to my doctor in the morning, but I guess I could use a little reassurance. Has this happened to anyone else? What was the outcome?