How Does IVF Work and What Lies Ahead?

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This artist's diagram shows one way that egg cells may be fertilized with sperm cells in a lab.
(Image credit: Kts | Dreamstime.com)

Close to 4 million babies have been born in the United States thanks to in vitro fertilization since the late 1970s. The creator of the infertility treatment, Robert Edwards, was awarded the 2010 Nobel Prize in medicine on Oct. 4. How far has IVF come over the years and what lies ahead for this reproductive technology?

Edwards began researching in vitro fertilization as a treatment for infertility in the early 1950s, and the first baby born as a result of IVF came along on July 25, 1978. Since then some individuals conceived by IVF have become parents themselves, according to the National Center for Biotechnology Information.

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Remy Melina was a staff writer for Live Science from 2010 to 2012. She holds a bachelor’s degree in Communication from Hofstra University where she graduated with honors.