Bouncing on the bed Saturday morning went very wrong for a 4-year old Beaverton boy.

The child was playing with a sibling and accidentally launched himself through a bug screen and out a second-story window.

The townhouse had no air conditioning and the window was open to help deal with the hot weather.

Crews from Tualatin Valley Fire and Rescue and Metro West responded to the home, stabilized the injured child and transported him to an area hospital with non-life threatening injuries.

In the U.S., 4,000 children fall from windows every year with 70 percent falling from second- or third-story windows, according to TVF and R. More than 50 children per year in Oregon fall from windows.

Falls are the leading cause of non-fatal, unintentional injuries and emergency department visits for children younger than 15, the fire district reported.

Fire district officials offer these tips for preventing window falls: