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Emotional and social development in babies: Birth to 3 months.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Emotional-and-Social-Development-Birth-to-3-Months.aspxOpens a new window[Accessed February 2022]
AAP.
How to ease your child’s separation anxiety.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/pages/Soothing-Your-Childs-Separation-Anxiety.aspxOpens a new window[Accessed February 2022]
AAP.
Cognitive development: 4 to 7 months.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Cognitive-Development-4-to-7-Months.aspxOpens a new window[Accessed February 2022]
AAP.
Emotional and social development: 4 to 7 months.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Emotional-and-Social-Development-4-7-Months.aspxOpens a new window[Accessed February 2022]
Amsterdam, B.
Mirror self-image reactions before age two.
Developmental Psychobiology.https://onlinelibrary.wiley.com/doi/abs/10.1002/dev.420050403Opens a new window[Accessed February 2022]
CDC.
Important milestones: Your baby by two months.
U.S. Centers for Disease Contol and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-2mo.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your baby by four months.
U.S. Centers for Disease Contol and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-4mo.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your baby by six months.
U.S. Centers for Disease Contol and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-6mo.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your baby by nine months.
U.S. Centers for Disease Contol and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-9mo.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your child by one year.
U.S. Centers for Disease Contol and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-1yr.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your child by eighteen months.
U.S. Centers for Disease Contol and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-18mo.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your child by two years.
U.S. Centers for Disease Control and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-2yr.htmlOpens a new window[Accessed February 2022]
CDC.
Important milestones: Your child by three years.
U.S. Centers for Disease Control and Prevention.https://www.cdc.gov/ncbddd/actearly/milestones/milestones-3yr.htmlOpens a new window[Accessed February 2022]
Nemours Foundation.
Safe exploring for toddlers.https://www.kidshealth.org/en/parents/exploring.htmlOpens a new window[Accessed February 2022]
Nemours Foundation.
Separation anxiety.https://www.kidshealth.org/en/parents/sep-anxiety.htmlOpens a new window[Accessed February 2022]
