my 3 month old baby is not peeing since morning what to do

A. Maam this is high time of time if your child has not passed during in such case where you see these things are happening immediately you should put some cold water onto the urinal region of the child whether it is a girl or a boy because of the cold water you will see that immediately within 5 to 10 minutes or within sometimes 10 to 15 seconds the child is going to pass you