A Pregnant Clause

Fertility clinics are offering controversial guarantees

For thousands of infertile couples, in vitro fertilization is the option of last resort. In the process, eggs are harvested from a woman's ovaries, joined with sperm in a petri dish, and the resulting embryo or embryos are planted in the uterus. The vast majority of attempts fail--draining patients' wallets in the process. Couples often spend $50,000 before they either conceive or give up. To complicate matters, recent scandals at fertility clinics have included charges that doctors are purloining embryos for use in other patients and secretly using their own sperm to fertilize patients' eggs.

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