包含标签:hematospermia 的文章
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What is the cause of blood in spermatozoa?
I believe that many boys know about sperm loss, and many boys have sperm loss when they are puberty, which is normal. However, some people will hav…… -
Can holding sperm and not ejaculating cause impotence? What are the dangers of holding sperm and not ejaculating?
In sexual life, many people usually hold back and don't ejaculate to prolong the time of intercourse, this way of intercourse is actually very unfa……