What do you think?

I have been having periods but they aren't every month and when I do get one it only lasts about 3 days and it's lighter then normal. Well I decided to test yesterday just to see and I saw something light but it didn't look like an indent because it was the same thickness as the control line. Well I left it and came back later and it was darker. My stomach also cramps even when I'm not on my period. Does this sound promising?