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Fertility Glossary

Semen volume

How much fluid is in the ejaculate.

Male fertility

Semen volume is usually reported in millilitres. Low volume may reflect an incomplete sample, a short abstinence period, retrograde ejaculation or an obstruction, so it is interpreted alongside the rest of the report rather than on its own.

Also known as: ejaculate volume

Sources

  • WHO laboratory manual for the examination and processing of human semen (who.int)
  • Healthy Male (healthymale.org.au)

Last reviewed: 10 September 2026. Written by the Antega Editorial Team. General information only โ€” always follow the advice of your own clinic, doctor or pharmacist.

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