The Pull Out Method

Oooook so, we all know there's a risk when only using this type of birth control but my cycle is about a week late, my breast are heavy and sore, I'm ALWAYS fatigued for the past 2-3 weeks  but there's been no spotting, no cramps, my aureolas aren't dark.... Am I over thinking this or could I be pregnant. (No I have take a test yet because with my last two pregnancies they didn't show positive until weeeeeks later😩)