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早在3000多年前,古埃及人就采用了某些植物和动物进行避孕。他们发现,酸的柠檬和柑桔汁可以杀死精子;利用一种海绵状的海洋动物,浸以柠檬汁或柑桔汁,塞入女性阴道,作避孕之用。还有的利用鳄鱼的粪便,混入一种膏状物,在性交前放入阴道,以杀死精子。自从人类知道精子和怀孕有关后,“性交中断法”便成了一种古老的常用避孕法。在古罗马,除了“性交
As early as 3000 years ago, ancient Egyptians used certain plants and animals for contraception. They found that sour lemons and citrus juices kill the sperm; they use a sponge-like marine animal, dipped in lemon juice or citrus juice into a female vagina for contraception. Others use the crocodile’s excrement, mixed it with a paste, and put it in the vagina before sex to kill the sperm. Since human beings know that sperm and pregnancy related, ”sexual intercourse “ has become an ancient and commonly used method of contraception. In ancient Rome, except ”fucked."