[轉錄][新聞] 精子太強 無法授精
※ [本文轉錄自 Gossiping 看板]
作者: a7946135 (Kenny) 看板: Gossiping
標題: [新聞] 精子太強 無法授精
時間: Tue Sep 15 00:11:39 2009
http://n.yam.com/bcc/international/200909/20090914482544.html
沒辦法讓太太受孕，別自卑。因為，以色列演化生物學家哈森認為，要是精子太強，也可
能造成不孕。
哈森說，只要一個精子突破卵子的防線，跟卵子接觸就可以形成受精卵，懷孕成功。不過
，有些男性精子太過優秀，一次有好幾個精子突破卵子，造成所謂的「多精授精」，反而
毀了卵子，導致不孕。
哈森認為，在演化過程中，精子和卵子會互相競賽。要是精子和卵子同步變強，就容易受
孕。萬一只有一方功力增強，另一方原地踏步，就會造成不孕。
哈森是以色列特拉維夫大學演化生物學家。他說，女性的身體不斷演化，卵子防線不斷加
強。為了突破卵子的防線，精子必須同步加強自己的功力，否則就很難達陣。當然，要是
精子變得過強，造成多精授精也會導致不孕。
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太強的精子只好配土司來吃
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