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Developmental milestones: 1 month.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Developmental-Milestones-1-Month.aspxOpens a new window[Accessed January 2022]
AAP.
Developmental milestones: 3 months.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Developmental-Milestones-3-Months.aspxOpens a new window[Accessed January 2022]
AAP.
Movement: 4 to 7 months.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Movement-4-to-7-Months.aspxOpens a new window[Accessed January 2022]
AAP.
Movement: Birth to 3 months.
American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/baby/pages/Movement-Birth-to-Three-Months.aspxOpens a new window[Accessed January 2022]
CDC.
Babies need tummy time.https://safetosleep.nichd.nih.gov/safesleepbasics/tummytimeOpens a new window[Accessed January 2022]
