If your baby is like most at this age, he or she is showing signs of separation anxiety. Far from being a cause for concern, stranger anxiety is a sign of your baby's growing understanding of the world.

Earlier, when you left the room, your baby was hardly fazed. Now he or she knows that you're gone – and is able to picture you and miss you – and may begin to cry as soon as you're out of sight.

Your baby's reluctance to be separated from you may delight you or just plain frustrate you at times. When you need to leave your baby, try these tips to make separations easier:

Resist the urge to sneak out the back door. Your baby will only become more upset if he or she thinks you've disappeared into thin air.

Always say goodbye. Kiss and hug your baby when you leave and tell him or her where you're going and when you'll be back, but don't prolong your goodbyes.

Keep it light. Your baby is tuned in to how you feel, so show your warmth and enthusiasm for the caregiver you've chosen. And don't cry or act upset if your baby starts crying – at least not while he or she can see you. You'll both get through this. Your caregiver may tell you later that your baby's tears stopped before you were even out of the driveway.

Once you leave, leave. Repeated trips back into the house or daycare center to calm your baby will make it harder on you, your child, and the caregiver.

Note: Even if your baby has been sleeping soundly through the night, he or she may now wake up periodically during this separation anxiety stage the two seem to be connected.

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