Searchable abstracts of presentations at key conferences in endocrinology

ea0097029 | Section | BES2023

Challenges in Pregnancy Diagnosis: A Case Report of Persistently Elevated hCG Levels

L Wauthier , L Courcelles , D Gruson

Serum or plasma human chorionic gonadotropin (hCG) immunoassays are a cornerstone in diagnosis and monitoring of pregnancy [1]. Although these assays show very satisfying performance, pathophysiological (e.g., menopause induced pituitary secretion of hCG, familial hCG syndrome, exogenous hCG injections) and analytical (e.g., interference of heterophilic antibodies or anti-hCG antibodies, lack of specificity of older assays) determinants may rarely cause false positive results ...