A video of a baby boy who looks like he is always ready for a fight has left the internet in hysterics. The January 4 video ...

Babies do not normally smile after birth until they are about six weeks old. "This may indicate the baby's calm, trouble-free existence in the womb and the ... yawning at 18 weeks and smiling ...

At just four and a half months in the womb, they can already hear sound ... as well as the sound of your voice and heart. By 18 weeks your baby's ears are beginning to send signals to the brain ...

Though pregnant people don’t typically feel flutters or kicks until their second trimester—somewhere between 16 to 22 weeks—the developing baby is actually on the move much sooner.

Here’s how your little one’s digestive system develops in the womb, including how ... and gas exchange between mom and baby throughout most of the first trimester, until the placenta starts to take ...