Azoospermia: Types, Causes, Diagnosis, and Fertility
Azoospermia means no sperm are detected in ejaculated semen because of blockage or impaired sperm production, although treatment may sometimes help.
Oligospermia: Causes, Testing, Treatment, and Fertility
Oligospermia, or oligozoospermia, means semen contains a lower-than-expected sperm concentration, which may reduce fertility but does not rule out pregnancy.
Asthenozoospermia: Causes, Testing, and Fertility
Asthenozoospermia means that sperm have reduced movement, which may make fertilization more difficult but does not always prevent natural pregnancy.
Teratozoospermia: Causes, Diagnosis, and Fertility
Teratozoospermia means that a lower-than-expected proportion of sperm have typical shapes, which may affect fertilization but does not always prevent pregnancy.
Vasectomy: Procedure, Effectiveness, Recovery, Fertility, and Sexual Health
A vasectomy is permanent contraception that blocks the vas deferens so sperm cannot enter semen, while ejaculation and testosterone usually continue normally.
Semen: Meaning, Composition, Ejaculation, Fertility, and Sexual Health
Semen is the reproductive fluid usually released during ejaculation and contains glandular secretions that may carry sperm cells.