Period...pregnant??

Jacky • Happily engaged and waiting for the new arrival❤️💍👶🏻
So my period last period was december 30, and since then me and my fiance have been trying cuz we want a baby, he has came in me since that day and we basically try like everyday, when can i take a pregnancy test?? I have been feeling alot of nausea, and i get dizzy to, girls help please, when should i take a pregnancy test???