Richie and Joanie's older brother on Happy Days. His disappearance has become so famous it's become known as the "Chuck ...

And, even though it may look dangerous, it is not. "No, laughing does not cause any harm to the baby. Babies in the womb feed ...

Sneezing can also look very similar on ultrasound, as well as coughing, walking, running, and any other normal physical daily ...