... after fertilization. During normal pregnancy, HCG can be detected in urine as early as 7 days following conception, doubling every 1 ... , HCG12A, HCG20A, HCG13A, HCG 23A Type: Strip, Strip, Cassette Specimen:Urine Package: 1PC x 100/kit Specification: 2.5mm, 3.3mm ... x 10/kit Specification: 3.3mm6) HCG34B Type: Midstream Specimen: Urine Package: 1PC x 10/kit Specification: 6.0mm Performance:Sensitivity ...