Confused?

Alexandra

Ive done these tests this morning, im either 12 or 13dpo, im aware these tests now dry, but im confused ive been cramping intensely since last saturday and last two days breasts been achy, i know pregnancy symptoms has got 6 children and 1 stillborn, but why is lh top test dark and ywo pregnancy tests negative but im spotting my cycles are usually between 24 & 27 days so just confused anybody else have this?