Brown means old so that much is good news. As to the trigger that could be any number of things. Sex, moving wrong, lots of things. :)
Nausea is still almost non-existant, no breast tenderness. Discharge has turned to white-ish. Called doctor this morning and have appt at 2:20 Pacific time this afternoon. Will advise.
Got to see the heartbeat on the monitor and all is well. I did find out I'll have to get some weekly progesterone shots starting at 14 weeks, though, so that could be better. Just relieved at this point.
Glad to hear it all worked out :)