A teenager who dumped her stillborn child in a park was handed a 12-month probation order yesterday. Her boyfriend was ordered to perform 200 hours of community service. Chan Sau-yin, 17, delivered a boy on July 31. She and boyfriend Wong Yui-fung, 20, put the body in a rucksack which Wong dumped in Wong Tai Sin Service Reservoir Playground. They had pleaded guilty in Kwun Tong Court to one count of concealing the birth of a child.