Glossary
Sperm Count
The number of sperm in an ejaculate. Also called sperm concentration and given as the number of sperm per milliliter.
Sperm motility
The ability of sperm to swim. Poor motility means the sperm have a difficult time swimming toward the egg.
Split-Ejaculate
Seminal fluid with an enhanced concentration of sperm created by splitting an ejaculated semen sample (the first half of the ejaculate contains most of the sperm).
Superovulation
The production of multiple eggs during a single menstrual cycle stimulated by fertility drugs.
Testicles
The male gonad (there are two testicles in the male genital tract) that produces sperm and hormones.
Testosterone
The male hormone responsible for the formation of secondary sex characteristics and for supporting the sex drive. Testosterone is also necessary for spermatogenesis (sperm development).
TFNA (Testicular Fine Needle Aspiration)
Minimally invasive technique to recover sperm where the testis are punctured for sperm aspiration.