Ok well i had with my boyfriend 5 time with out protection and he did it in me alot? could i be prego?

ok well i had with my boyfriend 5 times with out protection and he did it in me alot? could i be prego? cause i called a hotline and she told me that i was ovulating. buh its only been 2 days when will i deff. know that i am, before taking a test?