Pregnant or no??

CB

Background - not on BC, have been using pullout method with my husband for 2 years now. 2/8 he didn’t pull out in time. Bc of symptoms, I believe O ovulated early this month, sometime around the 9-11. I have taken ovulation test the past 3 days (bc this is when the app says I’d be ovulating) and no surge at all. I woke up this morning nauseas, still am and it’s 12 pm. I’ve been so tired the past 3 days. Is this all in my head? Could I be pregnant? Would I already be having symptoms like nausea and tiredness? When should I test since I’m not due for my period for 10 more days