Here's my month 9 caution ... round mobile above your baby's crib. On the advice of experts, you did it to "stimulate visual development." This popular (and hugely profitable) mobile is based ...

When do babies start teething? Which teeth come first? How do you soothe your teething baby? These questions and more ...

At 9 months old, your baby will have, on average, added about 1/2 inch per month in height since birth and slowed weight gain. They also may triple their birth weight by their first birthday. 9 ...