Im 17 years old i had un protected sex sex and he came in me on new years eve and new uears day my first day of my last cycle was on christmas i am now 9 days late ever since the other day i have been smellimg burning wires and getting sick but cant seem to find them i took 4 test 3 $1 and one digital the three $1 ones had tboth lines but on all of them the second line was faint and the clear blue digital one said not pregnant ... Is it still to early to know for sure