... to 2 days. At the time of the last missed menstrual period, urine HCG levels are about ... 100mlU/ml with peak levels of 100, 000 to 200, 000mlU/ml seen at ... the end of the first trimester. The presence of HCG soon after conception and ... pregnancySpecification: 1) HCG10A, HCG11A, HCG12A, HCG20A, HCG13A, HCG 23A Type: Strip, Strip, Cassette Specimen:Urine Package: ...