简介： It seems simple: an egg + sperm = one embryo. But if your sperm is "few, vague and abnormal" and your woman is premenopausal at age 37, things start to get complicated.
It seems simple: an egg + sperm = one embryo. But if your sperm is "few, vague and abnormal" and your woman is premenopausal at age 37, things start to get complicated.
麦卡·梦露,艾德·斯克林,加里·奥德曼,Fiston Barek,Ivana Zivkovic,Sharon D. Clarke,伊恩·维果,Paul Leonard Murray,Dragoljub Ljubicic,Irene Chiengue Chiendjo,Greg De Cuir,Danijel Korsa,Sasa Tomic