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One-step HCG test is designed by sandwich principle for detection of  hcg in urine. The test owned characteristics of 25 miu/ml sensitivity, specifity, speedy and simplicity.

Specimen  collection.

Any urine specimen is appropriate for HCG testing, but the first morning urine is optiomal because it generally contains the highest concentration of HCG. Urine specimens may be collected in any clean and dry container which be stored in the refrigerator(4-8℃) for up to 72 hours before assay if it can not be tested immediately. The stored specimens should be allowed to reach room temperature before testing.

Procedure

Test strips and specimens should be brought to room temperature(20-30℃) prior to testing.

1. Open the kit,hold the strip at the end without arrow or colored sign.
2. Inserted the end with arrow or colored sign of the strip into the urine sample figure 1,waiting for only 3 seconds. Do not immerse the strip into the urine sample over the signed band!
3. Take the strip out and lay the strip flat on a clean, dry and nonabsorbent surface.
4. Wait for 1 to 5 minutes and read the results as showed in figure 2.