The first baby conceived by in vitro fertilization was born in 1978. Back then it was a sensation. Now it's a tool in reproductive medicine. Especially in North America, there's a huge market for made-to-order babies.
Researchers in the US have used an experimental gene-editing technique to correct a mutation in dozens of embryos. Some hailed the development as illuminating and surprising; others say it crossed a moral line.
A doctor who claimed to have fathered 60 children has become the center of an IVF scandal in the Netherlands. Even after his death, the man has been accused of using his own sperm during the complex process.
Sudan and his two female companions, Fatu and Najin, are the world's last three northern white rhinos. A group of vets are using advanced IVF techniques to save the subspecies.
Three-parent IVF techniques have been declared safe enough by British scientists to be offered in "specific circumstances." The treatments can reduce the risk of mothers passing hereditary diseases to their babies.
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