4 DPO and my back is killing me!!

Only 4 DPO and my lower back hurts so bad. I’ve also been cramping the last few days a bloated today. Took a test (I know. Way too early 🤷🏻‍♀️) and it was negative. 🤞🏼 Fingers crossed it was just too early. I plan to test again on Friday or Saturday.