Pregnancy test stick a bar but pregnant is how to return a responsibility

Pregnancy test shows a bar but pregnancy indicates that the accuracy of pregnancy test is poor, clinical identification of women whether pregnant, ectopic pregnancy and false pregnancy, after blood test method identification is more accurate. Urine contains β-HCG and HCG, whether pregnant to test β-HCG. Older, approaching menopause women, pregnancy test urine test to determine whether pregnant, the results may be inaccurate, high HCG levels in the body caused false negative or false positive test results. General assay error exists, it is recommended that HCG check after blood sampling, both accurate and timely.