Rare diseases · Sign or symptom
Hypoplastic labia minora
Underdeveloped inner lips
HP:0000064
Rare diseases that can present with this13
Common30–79%
10- Autosomal dominant Robinow syndrome
- Ear-patella-short stature syndrome
- Micro syndrome
- Prader-Willi syndrome
- Prader-Willi syndrome due to maternal uniparental disomy of chromosome 15
- Prader-Willi syndrome due to paternal 15q11q13 deletion
- Prader-Willi syndrome due to paternal deletion of 15q11q13 type 1
- Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2
- Schaaf-Yang syndrome
- SIM1-related Prader-Willi-like syndrome
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
Hypoplastic labia minora
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.