Rare diseases · Sign or symptom

Fetal polyuria

HP:0001563

What it means

Abnormally increased production of urine by the fetus resulting in polyhydramnios.

The fetal urine production rate can be measured by ultrasonography.

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: Foetal polyuria

Fetal polyuria

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This 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.