Am I pregnant?

Magen • I'm 28 •I have 2 boys 2&7•
Hi y'all! I'm so confused I feel so tired and had odd cramping not like a period but just odd constipation, I just had mirena removed about 6 mos ago so my period is getting like a day or two later but I don't feel like I usually so when I have my period? Nausea and my boobs HURT sosososo bad, anyway, I tested today and neg when do I test again?