Shaking or being deliberately rough with a baby can cause:
- Learning disabilities
- Brain damage
The NSPCC has launched a new campaign to help new mothers and fathers develop coping strategies when dealing with the pressures of parenthood.
More top news
RAF veteran Andy Davies says the Royal British Legion helped him get back on his feet after problems with alcohol.
Lucy has the latest weather forecast for Wales
Plaid Cymru leader Leanne Wood has said her MPs won't back English votes for English laws until Wales gets an extra £1.2 billion a year.