So my cycle has been "off" for a while but since January it's been regular. This month I got the go ahead to try The Fertilily Awareness Method. I believed I had a 28 day cycle so I tracked my bbt and used ovulation strips and only had unprotected sex when I knew I was infertile. My period is a day late and I'm wondering if i should test for pregnancy. P.S if my husband and I did end up conceiving it would be fine.