I hope that teething ring your baby is playing with is not the one manufactured by The First Years, a unit of RC2 Corp. The Food and Drug Administration has declared it to be contaminated with bacteria.

The liquid inside the teething ring can be dangerous for your baby if he might swallow of absorb it by chance.
Around 105 complaints of fluid leakage have been registered against companies manufacturing these rings, while a Massachusetts-based company had to recall more than 350,000 teething rings linked to the contaminated liquid.
If you too want to return such rings, log on to www.thefirstyears.com and you can get the information for the returning procedure.
Via: Reuters