12 Widely Believed Sperm Facts That Are Actually False | 合法醫療器材資訊網
Butmanyofusstillbelievesomeprettyunscientific,long-standingspermmyths....Theystillneedhelpfromthefemalereproductivesystemtostaysafe....Spermthatmakeitintothevaginaafterejaculationcanliveuptofivedays....Normally,o
Many of us still believe some pretty unscientific, long-standing myths about sperm, semen, and male fertility. From sperm speed to nutritional makeup, here are 12 of the most popular urban legends.
In one sentence, the biology of sex may seem even simpler than using the “birds and bees” metaphor. Sperm gets ejected from the penis, enters the vagina, and swims up the reproductive tract until reaching an egg to fertilize.
But it isn’t quite that simple.
Barely 300 years ago, it was considered a major scientific breakthrough when scientists came up with the idea that a fully formed, tiny human inhabited the head of each sperm — totally debunked and untrue.
Fortunately, as the human body has evolved over thousands of years to maxi...
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【“希爾”輔助生殖顯微鏡及其附件(未滅菌)】許可證字號:衛部醫器輸壹字第021056號
器材品名:“希爾”輔助生殖顯微鏡及其附件(未滅菌)許可證字號:衛部醫器輸壹字第021056號註銷狀態:註銷日期:註銷理由:有效日期:...