Further observations on the doubling time of human chorionic gonadotropin in early asymptomatic pregnancies

A method of screening for ectopic pregnancy and its indications.

1981 • 283 citations

Discriminatory hCG zone: its use in the sonographic evaluation for ectopic pregnancy.

1981 • 280 citations

Doubling times of human chorionic gonadotropin increase in early viable intrauterine pregnancies

1985 • 110 citations

Plasma and urinary chorionic gonadotropin during early human pregnancy.

1968 • 85 citations

The value of serial human chorionic gonadotropin testing as a diagnostic tool in ectopic pregnancy

1986 • 77 citations

Doubling time of human chorionic gonadotropin (hCG) in early normal pregnancy: relationship to hCG concentration and gestational age

1987 • 75 citations

Observations on the tog human chorionic gonadotropin-time relationship in early pregnancy and its practical implications

1987 • 61 citations

Evaluation of early pregnancy by serial chorionic gonadotropin determinations: a comparison of methods by receiver operating characteristic curve analysis

1985 • 60 citations

Serial beta-hCG measurements in the early detection of ectopic pregnancy.

1990 • 56 citations

Ectopic pregnancy: changes in serum human chorionic gonadotropin concentration.

1984 • 54 citations

The value of adnexal sonographic findings in the diagnosis of ectopic pregnancy

1988 • 51 citations

Further observations on serial human chorionic gonadotropin patterns in ectopic pregnancies and spontaneous abortions

1988 • 50 citations

Use of a radioimmunoassay specific for human chorionic gonadotropin in the diagnosis of early ectopic pregnancy.

1973 • 36 citations

The efficacy of early pregnancy monitoring with serial chorionic gonadotropin determinations and real-time sonography in an infertility population

1985 • 32 citations

Radioimmunoassay of serum chorionic gonadotropin activity in normal pregnancy

1968 • 26 citations