Period or rejection

Aria
I'm going crazy . My period is due every four weeks exactly so it's due in 5 more days for me . But the other day I took a test obviously negative and too early then today Iv started bleeding today so I took a test I feel like I can see a very very faint line but then sometimes I don't and it can't been seen in photos . Is maybe the egg just being rejected its not like a normal period it's very red