IVF IVF

In the technique known as intracytoplasmic sperm injection, a fertility specialist uses a tiny needle to inject sperm into an egg cell. Mauro Fermariello/Science Source hide caption

toggle caption
Mauro Fermariello/Science Source

Along with sperm, the in vitro procedure adds fresh mitochondria extracted from less mature cells in the same woman's ovaries. The hope is to revitalize older eggs with these extra "batteries." But the FDA still wants proof that the technique works and is safe. Chris Nickels for NPR hide caption

toggle caption
Chris Nickels for NPR

Fertility Clinic Courts Controversy With Treatment That Recharges Eggs

  • Download
  • <iframe src="https://www.npr.org/player/embed/389284225/390903194" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A doctor uses a microscrope to view a human egg during in vitro fertilization (IVF), which is used to fertilize eggs that have been frozen. Mauro Fermariello/ScienceSource hide caption

toggle caption
Mauro Fermariello/ScienceSource

Women Can Freeze Their Eggs For The Future, But At A Cost

  • Download
  • <iframe src="https://www.npr.org/player/embed/356727823/356728115" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Sperm are placed inside the egg with a needle during a fertility treatment called intracytoplasmic sperm injection. iStockphoto hide caption

toggle caption
iStockphoto

Nurses tend newborns at Sloane Hospital for Women in New York City. Pat Carroll/Getty hide caption

toggle caption
Pat Carroll/Getty

Tina Nevill of Essex, England, holds Poppy, who was conceived by in vitro fertilization. The U.K.'s health system records all IVF cycles performed in the country. Barcroft Media/Landov hide caption

toggle caption
Barcroft Media/Landov

Human embryos under a microscope at an IVF clinic in La Jolla, Calif. Sandy Huffaker/Getty Images hide caption

toggle caption
Sandy Huffaker/Getty Images

Can IVF Treatments Reverse A Woman's Biological Clock?

  • Download
  • <iframe src="https://www.npr.org/player/embed/155774331/155868428" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Alvaro Heinzen/iStockphoto

Study Suggests Way To Create New Eggs In Women

  • Download
  • <iframe src="https://www.npr.org/player/embed/147344258/147485868" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript