Is it normal for a man's sperm to be thick and viscous?

Patient's question:

Hello doctor, I always prefer to eject outside during sexual intercourse. Recently, I noticed that my sperm is very thick and sticky. I want to ask if it's normal for male sperm to be thick?

Doctor's answer:

Normal male semen should be milky white or grayish white. If abstinent for too long, it may temporarily turn light yellow. When first emitted, male semen is gel-like and relatively thick. After 10-20 minutes, it liquefies into a thin, porridge-like consistency, a process called semen liquefaction. If the semen remains gel-like or has abnormal color, it is usually caused by inflammation such as prostatitis or seminal vesiculitis. Daily regulation can help improve this condition by supplementing nutrients essential for sperm.

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