Three-month-old teething is also called early eruption and is a rare condition. The early eruption\'s exact cause and risk factors have not been identified, yet it is usually believed not to cause ...

Most 3-month-old babies take a few naps of about 1 1/2 to 2 hours each day. Third Month Baby Milestones: The Senses Your 3-month-old’s hearing and vision are improving.