Early miscarriage?

I have had a few miscarriages, just one last month too. I am pregnant again, just 4 weeks and 2 days. I've been cramping very lighty and intermittently the last couple days. I took another test to see if getting darker and it is. I wiped and had some spotting. Yellow orange color. Not quite pink or brown yet but very light. Looks like what it did last month before I started bleeding-which took a couple days But my levels are obviously higher. I'm hoping it's from my workout yesterday that I may have pushed myself a little too hard...I know spotting can be normal but I never spotted in my successful pregnancy so I worry.