Plus, SapientNitro says, it has the technology and expertise to make sure that all the back-end systems talk to each other, so that Marks and Spencer (a Sapient client) knows that a person who visits its mobile app has recently purchased outerwear and lives in a particular region, for example.
Your pediatrician, who is specifically trained to care for kids and teens, might be able to provide care for a little longer if your child is in college (usually until college graduation or age 21). But this varies from doctor to doctor, so be sure to ask.
If she was premature, she'll probably be a bit behind other kids her age. Any time you're concerned about your baby's development you should check with her pediatrician. The range of what is considered normal development is wide, and no one knows more about babies' growth and development than a pediatrician. If you don't trust your pediatrician's answers to this kind of question, you should consider changing pediatricians. For more information on sitting, click here.