There's no set time when you have to replace your child's crib with a regular or toddler bed, although most children make the switch sometime between ages 1 1/2 and 3 1/2. It's often best to wait until your child is closer to 3, since many little ones just aren't ready to make the transition.

How often does Switched at Birth happen?

About 28,000 babies get switched in hospitals every year, temporarily or permanently, out of four million births, says Nicholas Webb, vice president of technology for Talon Medical Limited, a San Antonio, Texas-based vendor of a new high-tech ID bracelet for newborns.

How do I know when to switch formula?