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Use pregnancy test kit considerations

2017-12-12 10:55:56

1, you buy the early pregnancy test paper if stored for too long (more than 1 year), or early pregnancy test paper damp, and did not pay attention to the normal room temperature conditions (cold Zang), it may fail, the test results false negative .
2, if the pregnancy has just begun, or the possibility of ectopic pregnancy (ectopic pregnancy), HCG levels generally low in the sample to be tested for more than 3 minutes (usually only 1 minute), and must be carefully identified whether there is a weak positive - - The detection zone ribbon appears only faintly.
3, 3 months after pregnancy, HCG levels decline, urine test sometimes appear negative, or weakly positive.
4, in extreme cases, such as hydatidiform mole, choriocarcinoma, HCG levels in the body will be too high, instead of urine test showed positive.
5, the positive result does not mean that one hundred percent of pregnancy. Because some tumor cells such as hydatidiform mole, choriocarcinoma, bronchial cancer and kidney cancer, but also can secrete HCG. We also encountered HCG test positive in patients with endometrial hyperplasia.





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