Bing found the following results
  1. What Age Is An Infant, Baby, Newborn, and Toddler? - Parents

  2. Infant development: Birth to 3 months - Mayo Clinic

  3. Infant - Wikipedia

  4. Infants (0-1 years) | CDC

  5. Infant development: Milestones from 4 to 6 months - Mayo Clinic

  6. Feeding Guide for the First Year | Johns Hopkins Medicine

  7. Infant development: Milestones from 10 to 12 months

  8. Baby - HealthyChildren.org

  9. WebMD Baby: Newborn and Baby Care, Feeding and Development

  10. Infants & Toddlers (Ages 0-3) - Milestones & Schedules