Azoospermia: No sperm at all. The ejaculate is completely devoid of sperm.
By contrast, in oligospermia (literally, few sperm) there are some sperm, but fewer than normal.

Copyright © 2018 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. See additional information.
Azoospermia: No sperm at all. The ejaculate is completely devoid of sperm.
By contrast, in oligospermia (literally, few sperm) there are some sperm, but fewer than normal.