Hello... Gud evening Doctor... Im living in UAE.....

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What is the cause of sperms in urine?

This might be due to retrograde ejaculation. In this case you need to understand the cause might be due to infection, trauma, or drugs. Retrograde ejaculation lead to low sperm while ejaculation and at the same time urine is full of sperms.
To diagnose infection you need to do: urine analysis, CBC, ESR, semen analysis. Also do urine analysis after ejaculation of one hour

How to diagnose cause for weak erection?

causes include: Diabetes, Heart failure, Infection, Blood vessels disease. To diagnose the cause you need to do CBC, ESR, Testosterone level
Also you need to consult a doctor to examine your bladder.
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