Causes of Male Infertility - Differential Diagnosis ...

Causes of Male Infertility - Differential Diagnosis Algorithm

Sperm Transport:

 • Vasectomy

 • Cystic fibrosis gene mutation

 • Post-infectious obstruction

 • Ejaculatory duct cysts (e.g. prostate)

 • Kartagener syndrome

Sexual Dysfunction

Sperm Motility - Abnormal semen analysis:

 • Antibodies from infection

Pre-Testicular (Hypogonadotrophic hypogonadism) Low FSH/LH:

 • Kallmann syndrome

 • Suppression of gonadotropins (e.g. hyperprolactinemia, hypothyroidism, drugs, tumor, infection, trauma)

 • Anabolic steroids

Testicular - (Sperm production problem) High FSH/LH:

 • Genetic abnormality (e.g. Klinefelter's)

 • Cryptorchidism

 • Varicocele

 • Mumps orchitis

 • Radiation, Infection, drugs, trauma, torsion

#Male #Infertility #Differential #Diagnosis #Algorithm #Causes #PrimaryCare
Contributed by

Calgary Blackbook
Account created for the University of Calgary Blackbook - Visit to download the Blackbook in its entirety.

Related content