title: Should we be defining sperm norms in an infertile or in a fertile population, when applying it to an infertile population?
authors.affiliation: McGill Reproductive Center, McGill University, Royal Victoria Hospital, Montreal, Canada - michael.dahan@muhc.mcgill.ca.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Dahan
mesh_terms: D005260:Female; D005298:Fertility / Q000502:physiology; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis; D007248:Infertility, Male / Q000175:diagnosis*; D008297:Male; D055101:Semen Analysis; D013081:Sperm Motility / Q000502:physiology; D013094:Spermatozoa / Q000502:physiology*