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.
奥尔本·勒努瓦 布鲁诺·萨拉曼 Charlie Bruneau 蒂法因·戴维斯 Ahmed Sylla Patrick Ligardes Xavier Laurent Sebastien Vandenberghe Alexandre Philip Vincent Debost Beno?t Moret