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Related Experiment Videos

Markedly elevated beta-hCG levels in a normal singleton gestation with hyperreactio luteinalis.

Michael A Bidus1, Andrea Ries, Everett F Magann

  • 1Department of Obstetrics and Gynecology, United States Naval Hospital, Bremerton, Washington, USA.

Obstetrics and Gynecology
|April 27, 2002
PubMed
Summary
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Markedly elevated human chorionic gonadotropin (hCG) levels in pregnancy, though rare, can indicate hyperreactio luteinalis. This case highlights the importance of investigating high hCG to rule out other conditions.

Area of Science:

  • Reproductive Endocrinology
  • Maternal-Fetal Medicine
  • Gynecologic Pathology

Background:

  • Human chorionic gonadotropin (hCG) is a key pregnancy hormone produced by the trophoblast.
  • Elevated hCG levels are typically associated with multiple gestation, molar pregnancy, or malignancy.
  • Normal hCG levels peak around 9 weeks gestation, reaching approximately 100,000 IU/L.

Observation:

  • A patient presented with an incalculable triple marker screen due to a beta-hCG level of 2.1 million IU/L.
  • Sonography revealed bilateral complex adnexal masses, with a normal fetus and placenta.
  • The patient underwent oophorectomy at 18 weeks, with pathology confirming hyperreactio luteinalis.

Findings:

  • Hyperreactio luteinalis can lead to markedly elevated hCG levels in pregnancy.

Related Experiment Videos

  • Despite extremely high hCG, the fetus and placenta were normal.
  • The patient experienced preterm labor and delivery at 35 weeks.

    • Implications:

    • Markedly elevated hCG levels, while rare, can occur in normal singleton pregnancies due to conditions like hyperreactio luteinalis.
    • Clinical evaluation for elevated hCG should include assessment for malignancy, molar gestation, and multiple gestation.
    • This case underscores the need for comprehensive work-up in cases of exceptionally high hCG levels during pregnancy.