简介: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.
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.展开
约翰·厄尔利/Qaher Harhash/Elizabeth Dement/瑟达·哈默尔/艾米·齐默/Rebecca F. Wright/Faheem Ali/Gordon Landenberger/Elias Abawi/Felipe di Poi/约翰·罗伯茨/Davidson Obennebo/Tarek Ziad/Joe Van O/梅西·罗德曼/Louisa Judge/