Page 67 - PRECONGRESS COURSE 01

What is normal?
Classification
• MacLeod – 1950
+ Concentration 20 mln/mL or Total count 100 mln
• However, many men with lower values were fertile
many studies to detect thresholds
Zukerman et al., 1977;David et al., 1979;Kovacs et al., 1982;Emperaire et al., 1982;Hargreave et al., 1983;Schoyswan et al., 1983;Baker et al., 1986;Sokol et al., 1987;Sherins, 1988;Silber, 2000; Ombelet et al., 1997;Bonde et al., 1998;Zinaman et al., 2000;Guzick et al., 2001;Menkveld et al., 2001;Nallella et al., 2006
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PRECONGRESS COURSE 01 I GENEVA, SWITZERLAND – 2 JULY 2017 67