late period

Samira • My only way out of here it the way I’ve avoided all my life There’s so many things I never say, But so many things I push away I’ve lost, can you help me find my place? You’re all I’ve got, please leave me out of the dark

has anyone had a seriously late period and didn't know why? Like there is little streaks of blood but not enough to be spotting. I don't wanna freak myself out by assuming I'm pregnant but I don't know what else it could me that's changing it. If anyone else has gone through this please comment.