Age specific questions from birth through about 3 months. Younger: pregnancy. Older: infant.

This age specific tag covers questions about newborn babies throughout the "4th trimester" as it's often called, from birth to about 3 months of age.

As with any age specific tag, the edges are fuzzy between this and the following tag: . The edge is less fuzzy between this and .

A rule of thumb: this time frame ends roughly when they start to spend large amounts of time with their eyes open, awake and taking notice of the world around them.