Table 1.

Study eligibility criteria

Target population	Men with a minimum of 1 year infertility and regular unprotected sexual activity
Intervention	• CoQ10 versus placebo
Outcome measure	• Primary
	○ Live birth
	○ Pregnancy rate
	○ Level of CoQ10 in seminal plasma
	• Secondary
	○ Sperm concentration
	○ Total sperm motility
Design	• Randomised controlled trial