Help!

During ovulation I had some bleeding only when I wiped a few days later I had more since then I have felt sick on and off tired and yucky with some cramps. I am currently 2 days late with more cramps this am my cervics is low and hard but still no period. Typically I am super grumpy before my period but this month I have been super calm and relaxed. Hubby and I had sex on the date of ovulation. I’m hesitant to take a test as my cervics is low and I do have cramping. This would be baby number 4 and yet I’m still so confused