Common procedures
Semen analysis
Performed in Medical biology (clinical laboratory).
What is it?
A semen analysis is a laboratory examination of semen. It is mainly used to study male fertility or to check a vasectomy.
What to expect
You are usually asked to avoid ejaculation for 2 to 7 days before the sample. The sample must be examined quickly, and two or more samples may be requested over a week or two.
General information that does not replace your doctor’s advice or the instructions given before a test.
Reference source: MedlinePlus, checked on 13/11/2026. An error or an imprecision? Let us know