4 days late. nausea. breast pain. negative test

Laurie • 23. Québec canada 🇨🇦. Speaks french,english. Married since september 2016. Pregnant with baby #1.Mila💕 october 2017.
Hi girls. I stopped my pill 2 months ago. Had 2 times a 23 days cycle:.. now at day 31 of this cycle... so I'm couple days late on my period. I fell tired as hell. I feel nauseous since this morning. My breast arw . I did a pregnancy test two days ago it came back negative. I dont feel like I will have. Y periods any soon... what advice do you give me ? when should I do a test again? Do you think I'm pregnant?