Obstructive azoospermia, Non-obstructive azoospermia, Oligothenospermia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.patients who attend and are hospitalized in the reproductive andrology clinic of our hospital; 2.patients who meet the diagnostic criteria for azoospermia and oligospermia; 3.couples with no abnormal reproductive function have difficulties in sperm extraction, ejaculation difficulties, retrograde ejaculation and other patients requiring percutaneous testicular puncture in outpatient clinics; 4.patients who agree to participate in the study and sign informed consent;
Exclusion criteria
Exclusion criteria: 1.patients with serious systemic diseases or infectious diseases; 2.patients who do not agree to participate in the study; 3.patients who are participating in other clinical trials;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| plasma metabolites;testicular tissue metabolites; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Guangzhou Medical University