A baby can make smile-like movements in the womb, recorded on 4D ultrasound from the second trimester. These are likely ...

We have all seen this moment countless times: a baby enters the world and bursts into tears. It is so common that we rarely stop to wonder why it happens. Why do newborns cry instantly after birth?

Add Yahoo as a preferred source to see more of our stories on Google. Witnessing happiness on a child's face is everything that is good in the world. It's what we live for as parents, caregivers, ...