 [ Symptoms ] on birth control for 8 yrs never missed period barely spotted last time two negative pregnancy tests whats wrong  i have never been pregnant and am not showing any of the typical signs of pregnancy to indicate that i am i have not made any drastic changes to my exercise or eating habits nor have i been very stressed could something serious be wrong or do i just need to be patient and see what happens when i am due for my next period [ Disease ] how long have you been off i was on birth control for 4 years and got of and got pregnant a week later just depends on how fast your body can get the medicine out of your system because you have been on it so long hope this helps