Between four and seven months ... your baby's growth and development in such a short span of time. Keep in close touch with the pediatrician to monitor and make sure all the amazing milestones ...

Don't obsess about every up and down of your infant's growth chart. It's only potentially a problem when there is a persistent downward trend, usually lasting many months.

That's why there's such a large range of what's considered normal for your baby's weight and length. More than the ...