Clinical Chemistry 51: 1830-1835, 2005;
10.1373/clinchem.2005.053595
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Figure 4. Algorithm for interpreting low serum hCG and FSH results in women according to menopausal status defined by age.
Pregnancy is unlikely in all women with hCG <5.0 IU/L. In women >55 years with hCG >14.0 IU/L, pregnancy is unlikely, but additional testing is warranted. y, years.