AN ENGLISH COUPLE are the parents of two children, both products of eggs fertilized with sperm in a laboratory. One egg was immediately placed in the warm comfort of the mother's womb, the other frozen and used when convenient.

It gives a chilling new reality to a not-so-new bedroom scenario. The husband in playful mood seeks to rouse his wife with pillow talk about having a baby, only to be turned off by instructions to go downstairs and raid the icebox.

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