Is Pregnancy Possible Through Oral Sex?

ON 11 APRIL AT NIGHT 8 PM ..ME AND MY GIRLFRIEND GOT NAKED AND ....SHE SUCKED MY PENIS 1ST...THEN SOME SPERM COMES OUT ....AND DEN IMMEDIATELY I RUBBED ME PENIS ON VEGINA...AND PUT MY HALF PENIS IN VAGINA FOR JUST 8 TO 10 SECONDS....THE SPERM Z THERE ON MY PENIS..AM SURE.............................IS SHE GET PREGNANT....SHE DOESNT TAKE ANY PROTECTION MEASURE TILL NOW.... I SUGGEST HIM TO TAKE I PILL....IS SHE GET PREGNANT IF SHE DOESNOT TAKE PILL