Diagnosis
Diagnosis is usually by way of a urinalysis performed on a urine specimen that is obtained shortly after ejaculation. In cases of retrograde ejaculation, the specimen will contain an abnormal level of sperm.
Especially in case of orgasmic anejaculation, anejaculation can often be confused with retrograde ejaculation, and they share some fundamental aspects of the etiology. Urinalysis is used to distinguish between them.
Read more about this topic: Retrograde Ejaculation