Throughout history mankind has tried to limit family size (Glasier, 2002). Until the twentieth century this was achieved largely by abstinence, infrequent coitus, coitus interruptus and breast feeding. Although male condoms were described as long ago as 1350 BC and cervical caps were first produced in 1830, 'modern' methods of contraception have only been around for some one hundred years and hormonal contraception for only about fifty years.
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