Growing into a fully formed human being is a long process, and scientists have found that unborn babies not only hiccup, swallow and stretch in the womb, they yawn too. Researchers who studied 4D ...

For pregnant women, ultrasounds are an informative (and sometimes necessary) procedure. They typically produce two-dimensional black-and-white scans of fetuses that can reveal key insights, including ...

Medical imaging’s come a long way in the past few decades—but it’s now so good that doctors can use it to tell the difference between a baby opening its mouth and it yawning. A team of researchers ...

When you're pregnant, it might feel exciting to see your baby's scan images, but it's also easy to compare them with others.