Institute for Bioengineering of Catalonia (IBEC)

For the first time, scientists have recorded a human embryo implanting into a womb in real time, a feat the researchers hope will lead to new ways to treat infertility and prevent miscarriages.

"Being able to record a movie of something that has never been seen before, which are the early steps of life — of human life – was mind-blowing," says Samuel Ojosnegros , head of bioengineering in reproductive health at the Institute for Bioengineering of Catalonia in Spain. "It was really, really exciting."

One of the most important steps in an embryo's journey to becoming a baby is when the microscopic ball of cells implants in the uterus. But how a human embryo implants in the womb has long been a mystery.

"We just can't see it because it

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