Here we go...brown spotting. Help

Renee 👦🏼👼🏻👧🏻👼🏻👼🏻👼🏻👶🏻 • Stay at home mom. My family is my life.

For those of you that had brown spotting and everything turned out fine, how long did the spotting last? I just started today around 4pm. Going in for an ultrasound tomorrow.