Irregular Periods

Kristen • 💑 6/11/11 💍12/9/17 👼May 2018 • 👼November 2018 • TTC #1

I have been tracking my period for 2 years now. 28-30 days. 13 day LP. 4-5 medium flow days.

August and this month I have had a 2 or 3 day period that is only spotting when I wipe. Light pink blood. No red heavy blood or clots. When do I go see my dr?

All HPTs are negative too.