 [ Symptoms ] i was diagnosed with pandas syndrome i often run low grade fevers have fatigue and chills [ Disease ] do not try to prevent pregnancy by these cycle timing methods and the pull out coitus interruptus method stop having unprotected sex if you do not want to become pregnant period the only way you will know if you are pregnant at this point is to wait wait for a missed period or early signs of pregnancy then take a pregnancy test and then repeat the test if negative a week or so later i think you will find it much less stressful to use a condom than to go through this period of uncertainty over and over be wise