It seems simple: an egg + sperm = one embryo. But if your sperm is "few, @搞笑一家人 国语版@vague and abnormal&@超越时间线@amp;quot; and your woman is premenopausal .. It seems simple: an egg + sperm = one embryo. But if your sperm is "few, @搞笑一家人 国语版@vague and abnormal&@超越时间线@amp;quot; and your woman is premenopausal at age 37, things start to get complicated.详情