Also, the type of interferon used is different than that in
Betaseron.
Betaseron is interferon beta-1b NOT interferon beta 2-b. These little points are important.
Also, in discussing male sperm counts and motility one must consider many, many factors - not just the most notable med the person is on. A man's sperm count and activity may be affected by things we don't even think about like temperature, alcohol, depression, meds like anti-depressants or antihypertensives.