Three-Parent IVF Deserves a Chance in the U.S.

In a historic vote that rocked the world of fertility medicine Tuesday, British lawmakers approved the use of a controversial IVF practice that would take genetic material from three people to create a single embryo. The promising technique, which involves replacing the defective cellular material of a woman's eggs with that from a healthy donor, aims to prevent patients from passing down crippling genetic diseases to their offspring.

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