This post on 4-month-old baby development milestones will give you an insight into their developmental traits. Babies grow with each passing day, and by the time they are four months old ...

Then, suddenly, your baby resists going to bed ... month sleep regression as a side effect of normal brain development." At 4 months old, babies need about 15 hours of sleep in a 24-hour period.

You can promote your baby's development by helping them practice ... and the other four to five hours during naps. "A 4-month-old baby should be given the opportunity to nap every 1.5 to 2 hours ...

A baby boy is in desperate need of a bone marrow ... in the impact that Noah is already leaving on the world at just 4-months-old. "Wiskott-Aldrich affects one in a million males, and I believe ...