12 days late & negative?!

Tessa • 🌷 Mommy to Aurora Lillian 11.28.20 🌷 🪻 Mommy to Cecelia Elaine 04.27.23 🪻 ♡ Forever missing our Angels ♡ 12.22.19 | 5.31.20 | 6.7.20 | 9.11.20

Should I retest with a different brand? I have been feeling extremely nauseated & feeling like I'm going to puke every morning. I have been having a mix between period cramps & stomach cramps. Please help!