Okay so I just downloaded a new app called dot to track cycles and to use it as a form of birth control. It tracks risk of pregnancy, and I’m kind of confused on what this means, maybe someone can explain this.

Does this mean I shouldn’t use dot or does it mean in can?

Also I was pregnant back in 2017 so I don’t have a period in aug or sept that may be why it said I’m out of the range does that matter?