SOMETIME NEXT year, if all goes to plan, a gay male couple in California will have a child. The child in question will have been conceived by in vitro fertilisation. In this case a group of eggs from a female donor are now being fertilised by sperm from both fathers (half from one, half from the other). Of the resulting embryos, the couple will choose one to be implanted in a surrogate mother. An uplifting tale of the times, then, but hardly a newsworthy event. Except that it is.
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