IN 1978, Benedict Clark was a 20-year-old medical student when he heeded his lecturer's call for sperm donations. In return, he was paid A$10 and promised eternal anonymity. "It seemed like a good thing to do because there was a shortage of sperm donors," he says. "I felt comfortable knowing that it was anonymous." Clark was one of hundreds of people - many of them medical students - who agreed to donate sperm or eggs anonymously in the state of Victoria, Australia, in the 1970s, 80s and 90s. That ended in 1998 when a law required that future donors be identifiable.
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