this week is throwing me for such a loop! i just finished my period 3-4 days ago and i havent been…

this week is throwing me for such a loop! i just finished my period 3-4 days ago and i havent been able to sleep right since then, i keep getting these terrible bouts of nausea, Ive been moody as hell and cant keep my blood sugar up. first thing SO says the other day "cant you still be pregnant and have a "period"?" yes dear, but i doubt i am. today he says i should just go see a doctor. i need to figure something out...