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.
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Inbred
2011-Sep-30
Pals
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Innocent Killers
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Jonah
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To Hell with Women
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Don't Blame Karma on What Happens to You for Being an Asshole