Nothing is considered safe since all spotting should be reported to your dr right away. Usually brown spotting is less concerning, but even brown can mean a miscarriage that happened earlier. This being said, many women have spotting or even bleeding in their pregnancy and everything is fine. It should always be examined with an ultrasound, or if it’s too early (before 5 weeks) your dr should monitor your hCG levels closely.

I was told anything that isn't bright red