翻訳と辞書 Words near each other ・ Semi-differentiability ・ Semi-dome ・ Semi-drying oil ・ Semi-dwarf IR36 ・ Semi-elliptic operator ・ Semi-empirical mass formula ・ Semen Indonesia ・ Semen Kolobayev ・ Semen Korsakov ・ Semen of the Sun ・ Semen Padang F.C. ・ Semen Padang FC U-21 ・ Semen Paliy ・ Semen Pavlichenko ・ Semen Pavlovych Bublyk ・ Semen quality ・ Semen Semenchenko ・ Semen Zhavoronkov ・ Semen Zhivago ・ Semenawi Bahri National Park ・ Semender ・ Semenelin ・ Semenenko ・ Semengi ・ Semeni ・ Semeni River ・ Semenic ・ Semenic River ・ Semenic-Cheile Carașului National Park ・ Semenivka Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Semen quality ： ウィキペディア英語版 Semen quality Semen quality is a measure of the ability of semen to accomplish fertilization. Thus, it is a measure of fertility in a man. It is the sperm in the semen that are of importance, and therefore semen quality involves both sperm quantity and quality. Decreased semen quality is a major factor of male infertility. ==General decline== There has been evidence for a general decline in sperm counts in Europe and the USA between 1938 and 1990. While these dates were critiqued, further analysis supported the findings. The reason(s) for the decline are unknown. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Semen quality」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.