Rare diseases · Sign or symptom
Abnormal response to human chorionic gonadotrophin stimulation test
HP:0031083
What it means
An anomalous response to intravenous stimulation by human chorionic gonadotrophin. Stimulation with hCG stimulates testicular Leydig cells to secrete androgens via the Leydig hormone receptors.
Rare diseases that can present with this1
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Abnormal response to hCG stimulation test
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.