Human Chorionic Gonadotropin and the Diagnosis of Early Pregnancy

Rene B. Allen*, Mario J. Pineda, Frank Z. Stanczyk, Richard J. Paulson

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Original languageEnglish (US)
Title of host publicationManagement of Common Problems in Obstetrics and Gynecology
Subtitle of host publicationFifth Edition
Number of pages3
ISBN (Print)9781405169165
StatePublished - Jul 16 2010


  • Early viable intrauterine, nonviable intrauterine and ectopic pregnancies - diagnostic dilemma for clinicians
  • Ectopic pregnancies, associated with abnormal rise of hCG
  • False-positive hCG values
  • Human chorionic gonadotropin (hCG) - secreted by preimplantation embryos
  • Human chorionic gonadotropin production - in pregnancy
  • Hyperglycosylated form of hCG (HhCG) - detected in serum and urine samples
  • Hyperglycosylated human chorionic gonadotropin
  • Rule of thumb, hCG levels - approximately 100 mIU/mL at missed menses time
  • Serial hCG measurements - used along with ultrasonography
  • Serial measurements of hCG - tool distinguishing viable from nonviable pregnancies

ASJC Scopus subject areas

  • General Medicine

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