partial chromosome Y deletion
MONDO:0015607Mondo
Findings
No curated finding names partial chromosome Y deletion yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A genetic male infertility characterized by azoospermia or oligozoospermia due to chromosome Y microdeletion.
Definition from the Mondo Disease Ontology (MONDO:0015607), read 2026-09-29. CC BY 4.0.
Features
6 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal spermatogenesisHPOHP:0008669
- Very frequent (80% to 99% of cases)
- Decreased testicular sizeHPOHP:0008734
- Very frequent (80% to 99% of cases)
- Male infertilityHPOHP:0003251
- Very frequent (80% to 99% of cases)
- Non-obstructive azoospermiaHPOHP:0011961
- Very frequent (80% to 99% of cases)
- OligozoospermiaHPOHP:0000798
- Frequent (30% to 79% of cases)
- CryptorchidismHPOHP:0000028
- Occasional (5% to 29% of cases)
Where it sits
Other names
1 name
Resolves to: partial chromosome Y deletion
- Also called
- Male sterility due to chromosome Y deletion