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.。《典当商》改编自Edward Lewis Wallant同名小说,主人公是一名犹太人典当商,从纳粹集中营逃出后在纽约哈莱姆经营当铺时维持生计,男主角罗德·斯泰格尔由此获得了当年奥斯卡影帝的提名。。