Diagnosis of Ectopic Pregnancy by the Rate of Diagnostic Criteria Compared


We compare three methods for using the rate of change of human choriogonadotropin (hGG) concentration in serum to diagnose ectopic pregnancy. With Method I, the lower limit for the rate of increase of serum hCG in normal pregnancy is 66% per 48 h. With Method Ii, a different lower limit of normal is specified for each of four discrete sampling interval of… (More)


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