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.
迪伦·奥布莱恩,詹姆斯·斯维尼,艾斯琳·弗兰乔茜,劳伦·格拉汉姆,阿基拉·詹塔拉塔纳农,科迪·哈佛,塔莎·史密斯,克莉·奇奇诺,Crystal Anne Mu?oz,凯蒂·芬德莱,苏珊·朴,克里斯·佩尔费蒂,戴维斯·金,Pauline Dorsey,Jack Clevenger,弗朗索瓦·阿诺德,Alexa,Alexander Jason Hanson,Janee Dabney,Marisa Dabney