Fertility and Sterility
Volume 85, Issue 2 , Pages 508-510 , February 2006

Defining the curve when initial levels of human chorionic gonadotropin in patients with spontaneous abortions are low

  • Karine Chung, M.D., M.S.C.E.

      Affiliations

    • Penn Fertility Care, University of Pennsylvania, Philadelphia, Pennsylvania
    • Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
    • Corresponding Author InformationReprint requests: Karine Chung, M.D., M.S.C.E., University of Southern California, Keck School of Medicine, Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, 1240 N. Mission Rd., Room 8K9, Los Angeles, California 90033 (FAX: 323-226-2850).
    • ,
  • Mary Sammel, Sc.D.

      Affiliations

    • Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
    • ,
  • Lan Zhou, Ph.D.

      Affiliations

    • Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
    • ,
  • Amy Hummel, C.C.R.C.

      Affiliations

    • Penn Fertility Care, University of Pennsylvania, Philadelphia, Pennsylvania
    • ,
  • Weshang Guo, Ph.D.

      Affiliations

    • Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
    • ,
  • Kurt Barnhart, M.D., M.S.C.E.

      Affiliations

    • Penn Fertility Care, University of Pennsylvania, Philadelphia, Pennsylvania
    • Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania

Received 13 April 2005 ,Revised 5 August 2005 ,Accepted 5 August 2005.

References 

  1. Barnhart KT , Sammel MD , Chung K , Zhou L , Hummel A , Guo W . Decline of serum human chorionic gonadotropin and spontaneous complete abortion (defining the normal curve) . Obstet Gynecol . 2004;104:975–981
  2. Marcus SF , Brinsden PR . Analysis of the incidence and risk factors associated with ectopic pregnancy following in-vitro fertilization and embryo transfer . Hum Reprod . 1995;10:199–203
  3. Kadar N , Caldwell BV , Romero R . A method of screening for ectopic pregnancy and its indications . Obstet Gynecol . 1981;58:162–166
  4. Barnhart KT , Sammel MD , Rinaudo PF , Zhou L , Hummel A , Guo W . Symptomatic patients with an early viable intrauterine pregnancy (hCG curves redefined) . Obstet Gynecol . 2004;104:50–55
  5. Steier JA , Bergsjo P , Myking OL . Human chorionic gonadotropin in maternal plasma after induced abortion, spontaneous abortion, and removed ectopic pregnancy . Obstet Gynecol . 1984;64:391–394
  6. Barnhart KT , Bader T , Huang X , Frederick MM , Timbers KA , Zhang JJ . Hormone pattern after misoprostol administration for a non-viable first trimester gestation . Fertil Steril . 2004;81:1099–1105

 Supported by grant R01-HD-36455-01A1 from National Institutes of Health.

PII: S0015-0282(05)03841-0

doi: 10.1016/j.fertnstert.2005.08.012

Fertility and Sterility
Volume 85, Issue 2 , Pages 508-510 , February 2006

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