A viral TikTok shows a 3-month-old baby apparently repeating full phrases, and it turns out there's an explanation.

What are developmental milestones? Are they something parents should pay attention to? What can you expect in the first year.

The initial few months with a newborn often pass by in a blur of constant feeding and sleepless nights. Now that your baby is 3 months old, you're both heading towards the end of the fourth trimester ...