Varicocele
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. 20-39 years old who had infertility for more than 1 year and had clinical palpable varicoceles; 2. impaired semen quality including sperm concentration <15 million/ml or total motility <40% or progressively motile < 32% (a+b), the 5th edited WHO criteria was referred; 3. with normal level of serum hormones including FSH, LH, Thyroid hormones and PRL; 4. patient's spouse was healthy in reproduction.
Exclusion criteria
Exclusion criteria: 1. with subclinical varicocele, recurrent varicoceles; 2. normal semen analyses; 3. other reasons of infertility than varicoceles; 4. refusing to enter randomization; 5. female partner older than 35 years; 6. with abnormal level of serum hormones; 7. female factor infertility; 8. with significant surgical diseases, congenital diseases or endocrine diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sperm concentration;sperm motility;Sperm morphology;Pregnancy rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of arteries preserved during operation;Number of vein ligated during operation;Number of lymphatics spared during operation; | — |
Countries
China