Male fertility
Laboratories usually ask for two to five days of abstinence so results can be compared reliably. Much longer abstinence increases volume but tends to reduce motility and increase DNA damage. For treatment days, follow the clinic's specific instruction rather than a general rule.
Also known as: days of abstinence, sample instructions
Related Canada guides
Sources
- Canadian Urological Association
- Society of Obstetricians and Gynaecologists of Canada (SOGC) patient information
Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.