I have been on the pill for at least 5 years, and my period is 5 days late!?

Missing a period does not make one infertile. My period went missing a whole year when I wasn't sexually active and I've been pregnant more than once since. A blood work up will not detect pregnancy unless specifically a pregnancy test is ordered. If you took the home test too soon you would get a negative even if you were pregnant plus not all women show up positive for pregnancy in urine. Have a blood test for pregnancy done you very well could be pregnant you have all the right symptoms.