 [ Symptoms ] how long does residual sperm live on the penis  i had masturbated at about 12pm and i had unprotected sex at about 830 pm should i be worried about my girlfriend getting pregnant [ Disease ] check out this information on migraines that mentions some of the many triggers and how to identify them what triggers migraines for you may be different than what triggers them for others this migraine triggers checklist may also come in handy have you been formally diagnosed the webmd answers staff