Need help...

So the other day I posted about having ovulation spotting... have sex at 2am he next day and again that night now I'm start to feel really nausouse and food tasting different is there anyway to know if I'm pregnant with out taking a test cause I'm still 11 days from my period and if I cant.. When can I test to see if I am 💙💙 blessings that I am though I really want my second one