 [ Symptoms ] i am not having period for 8 days i have pain in lower abdomen i have taken pregnancy test its negative am i pregnant  i always use protectionpull out [ Disease ] yes you could still be pregnant even with the best contraceptive method if you are sexual active there is always the possibility that you can get pregnant a women is cycle can vary in days from month to month & ovulation does not always happen exactly on day 14 with all the hormones that control the female menstrual cycle there is quite a bit of variation in the timing of ovulation and your fertile days a home pregnancy test can detect pregnancy with 97 accuracy but not all of them are this sensitive or accurate waiting a few weeks after a missed period increases the accuracy of the test as far as abdominal pain if its worsening or more severe and includes symptoms such as vomiting fever pain with movement you should be evaluated as soon as possible there are endless possibilities as to what could cause this pain and a physical exam & testing would be needed