Early signs

Hi mommies ! I’ve got some questions about early pregnancy… i know I’m already a mom of 2 but i still don’t know whether I’m pregnant or just something else . 1) sore boobs . 2)yknow if you’re pregnant your boobs will start to develop milk then slowly it’s gonna have a leak . 3) I’ve already check And still negative . Usually the time of the month not as this sore as rn . The sore is like when after giving birth and you’ve got alot of milk and it was super swollen even if a lil bit of touch can feel the pain .