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.
宝拉·柯特莱西,瓦莱里奥·马斯坦德雷亚,巴巴克·卡里米,安德里亚·萨托雷蒂,保罗·卡拉布雷西,卡罗·卢卡·德·鲁杰里,路易萨·代·圣提斯,法比奥·特拉韦尔萨,克里斯蒂娜·佩莱格里诺,Stefano Fresi,Gianfelice Imparato,Valerio Aprea,Luca Amorosino,Marco Matteo Donat-Cattin,乐乐·马奇泰利,Massimo De L