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 ...

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 ...