Kyleena IUD and sudden irregular period

As a teenager I always had irregular periods. However, after I got the depo provera shot my periods completely stopped. After I stopped taking the depo shot (last year) my period was regulated for the most part.

In February I got an IUD inserted and that nearly completely regulated my period. It was like clockwork like never before. Two months later, I met my now boyfriend and that entailed unprotected sex. My last month period was very spotty, little to no blood. I’ve now missed my period for this month. Anyone else experience?