Need clarification: Pl rephrase your question to indicate if you mean semen instead of sperm, which can not be seen with a naked eye. Also, did this happen once or repeatedly? To properly diagnose what some dark stuff coming behind the semen could be, may be a sample could be shown to your primary doctor. Good luck
Answered 1/25/2016
1.7k views
Corpora amylacea: Some guys' prostate glands make little hard stony things and you can ejaculate them if they get free. There not a problem.
Answered 1/26/2016
1.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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