Copper IUD : Light Brown Discharge

Taylor • 💞Together since 10/17/2009.💞Married 9/3/2016.💞TTC since November 2017.💞 💙James Valentine born 1/13/2020. 8lbs 15oz. 💙
I had a copper IUD put in about 5 months ago. I have a regular period. But today (4 days after my period) I have a light brown discharge, no smell with some mild cramps and the random stabbing-doubled-over-in-pain cramps that will last 2-5 minutes. Any advice?