Pregnant, but what's with the ovulation test, the whiteboard?

Pregnancy test strip white board, indicating that the problem is the test strip, may be poor quality, or is expired. Pregnancy test with pregnancy test stick is not very accurate, due to the influence of quality, and other hormone interference, sometimes will show false positive or false negative performance. It is best to go to the hospital to check the human chorionic gonadotropin in the blood, if it shows elevated it is determined to be pregnant, this is the most accurate. If a pregnancy test is used, it must be of good quality and not expired. At this time, a pregnancy test may show a positive or weak positive reaction.