66
Views
5
CrossRef citations to date
0
Altmetric
Original

Specificity and Detection Limit of Ten Pregnancy Tests

, , &
Pages 105-113 | Published online: 29 Mar 2011

References

  • Wide L, Gemzell C A. An immunological preg nancy test. Acta Endocrinol 1960; 35: 261–7
  • Ozturk M, Bellet D, Manil L, Hennen G, Frydman R, Wands J. Physiological studies of human chorionic gonadotropin (hCG), ahCG and (3hCG as measured by specific monoclonal immunoradiometric assays. Endocrinol 1987; 120: 549–58
  • Alfthan H, Schroder J, Fraser R, Koskimies A, Halila H, Stenman U-H. Choriogonadotropin and its B subunit separated by hydrophobic-in-teraction chromatography and quantified in serum during pregnancy by time-resolved im-munofluorometric assays. Clin Chem 1988; 34: 1758–62
  • Thomas C MG, Reijnders F JL, Segers M FG, Doesburg W H, Rolland R. Human choriogona dotropin (hCG): Comparison between determi nations of intact hCG, free hCGB -subunit, and “total” hCG+ B in serum during the first half of high-risk pregnancy. Clin Chem 1990; 36: 651–5
  • Kato Y, Braunstein G D. -core fragment is a major form of immunoreactive urinary cho rionic gonadotropin in human pregnancy. J Clin Endocrinol Metab 1988; 66: 1197–201
  • Thomas C M, Segers M F, Leloux A M, Houx P C. Comparison of the analytical characteristics of ten urinary hCG tests for early pregnancy diag nosis. Ann Clin Biochem 1986; 23: 216–22
  • Stenman U-H, Alfthan H, Myllynen L, Seppala M. Ultrarapid and highly sensitive time-re solved fluoroimmunoassay for human cho rionic gonadotropin. Lancet 1983; 2: 647–9
  • Starring P L, Gaines-Das R E, Bangham D, In R. ternational reference preparation of human chorionic gonadotrophs for immunoassay: Potency estimates in various bioassay and pro tein binding assay systems; and international reference preparations of a and fi subunits of human chorionic gonadotrophin for immu noassay. J Endocrinol 1980; 84: 295–310
  • Birken S. Chemistry of human choriogonado tropin. Ann Endocr 1984; 45: 297–305
  • Ehrlich P H, Moustafa Z A, Krichevsky A, Bir ken S, Armstrong E G, Canfield R E. Characteri zation and relative orientation of epitopes for monoclonal antibodies and antisera to human chorionic gonadotropin. Am J Reprod Immu nol Microbiol 1985; 8: 48–54
  • Krichevsky A, Armstrong E G, Schlatterer J, et al. Preparation and characterization of anti bodies to the urinary fragment of the human chorionic gonadotropin S-subunit. Endocrinol 1988; 123: 584–93
  • Birken S, Armstrong E G, Kolks M AG, et al. Structure of the human chorionic gonadotropin B-subunit fragment from pregnancy urine. En docrinol 1988; 123: 572–83
  • Alfthan H, Stenman U-H. Pregnancy serum contains the B-core fragment of human chorio gonadotropin. J Clin Endocrinol Metab 1990; 70: 783–7
  • Alfthan H, Haglund C, Dabek J, Stenman U-H. Concentrations of hCG, BhCG and cBhCG in serum and urine of nonpregnant women and men. Clin Chem 1992; 38: 1981–7
  • Kardana A, Cole L A. Polypeptide nicks cause erroneous results in assays of human chorionic gonadotropin free B-subunit. Clin Chem 1992; 38: 26–33
  • Stenman U-H, Alfthan H, Turpeinen U. Method dependence of interpretation of immu noassay results. Scand J Clin Lab Invest 1991; 51((Supplement 206))86–94
  • Chard T. Pregnancy tests: a review. Human Reprod 1992; 7: 701–10
  • Stenman U-H, Alfthan H, Ranta T, Vartiainen E, Jalkanen J, Seppala M. Serum levels of human chorionic gonadotropin in nonpregnant women and men are modulated by gonado tropin releasing hormone and sex steroids. J Clin Endocrinol Metab 1987; 64: 730–6
  • Reuter A, Gaspard U, Deville J-L, Vrindts-Ge-vaert Y, Franchimont P. Serum concentrations of human chorionic gonadotrophin and its alpha and beta subunits. 1. During normal sin gleton and twin pregnancies. Clin Endocrinol 1980; 13: 305–18
  • Braunstein G D, Karow W G, Gentry W C, Rasor J, Wade M E. First-trimester chorionic gonadotropin measurements as an aid in the diagnosis of early pregnancy disorders. Am J Obstet Gynecol 1978; 131: 25–32
  • Wilcox A J, Weinber C R, O'Connor J F. Incidence of early pregnancy loss. N Engl J Med 1988; 319: 189–94

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.