Sperm DNA fragments: Sperm fragmentation may be due to cigarette smoking, varicocele [dilated scrotal veins] & heat exposure. Often the cause is unknown. High levels are associated with low pregnancy rates unless IVF & ICSI is used. The miscarriage rate is slightly higher. If the cause is known, fix it. If not, you may wish to consider IVF & ICSI for the best results.
Answered 5/15/2015
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