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有一天，暮然回首，你会发现，那个给你许多痛苦的人，却也是你的救赎。《借东西的小人阿莉埃蒂》
