Sources

https://www.cdc.gov/act-early/milestones/1-year.html

Cited on Month 10, Month 11, Month 12, Year 1

https://www.cdc.gov/act-early/milestones/2-months.html

Cited on Week 3, Week 4, Week 5, Week 6, Week 7, Week 8, Week 9, Week 10, Week 11, Week 12

https://www.cdc.gov/act-early/milestones/2-years.html

Cited on Year 1, Year 2

https://www.cdc.gov/act-early/milestones/3-years.html

Cited on Year 3

https://www.cdc.gov/act-early/milestones/4-months.html

Cited on Week 12, Month 4, Month 5

https://www.cdc.gov/act-early/milestones/6-months.html

Cited on Month 5, Month 6, Month 7

https://www.cdc.gov/act-early/milestones/9-months.html

Cited on Month 8, Month 9

https://www.cdc.gov/sudden-infant-death/sleep-safely/index.html

Cited on Week 1, Week 2, Week 3, Week 4, Week 5, Week 6, Week 7, Week 8, Week 9, Week 10, Week 11, Week 12, Month 4, Month 5, Month 6, Month 7, Month 8, Month 9, Month 10, Month 11, Month 12

https://www.cdc.gov/vaccines-children/before-during-after-shots/index.html

Cited on Week 11

https://www.healthychildren.org/English/ages-stages/baby/bathing-skin-care/Pages/Umbilical-Cord-Care.aspx

Cited on Week 1, Week 2

https://www.healthychildren.org/English/ages-stages/baby/breastfeeding/Pages/How-Often-to-Breastfeed.aspx

Cited on Week 2, Week 3, Week 4

https://www.healthychildren.org/English/ages-stages/baby/crying-colic/Pages/Colic.aspx

Cited on Week 5, Week 6

https://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/Discontinuing-the-Bottle.aspx

Cited on Month 10, Month 12

https://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/how-often-and-how-much-should-your-baby-eat.aspx

Cited on Week 1, Week 3, Week 4, Week 5, Week 6, Week 7, Week 8, Week 9, Week 10, Week 11, Week 12

https://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/starting-solid-foods.aspx

Cited on Month 4, Month 5, Month 6

https://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/Starting-Solid-Foods.aspx

Cited on Month 7

https://www.healthychildren.org/English/ages-stages/baby/Pages/Emotional-and-Social-Development-8-12-Months.aspx

Cited on Month 8, Month 9

https://www.healthychildren.org/English/ages-stages/baby/Pages/First-Month-Physical-Appearance-and-Growth.aspx

Cited on Week 1, Week 2

https://www.healthychildren.org/English/ages-stages/baby/Pages/Hearing-and-Making-Sounds.aspx

Cited on Week 9, Week 10, Week 11

https://www.healthychildren.org/English/ages-stages/baby/Pages/jaundice.aspx

Cited on Week 1, Week 2, Week 3

https://www.healthychildren.org/English/ages-stages/baby/Pages/Movement-4-to-7-Months.aspx

Cited on Month 7

https://www.healthychildren.org/English/ages-stages/baby/Pages/Movement-8-to-12-Months.aspx

Cited on Month 10, Month 11, Month 12

https://www.healthychildren.org/English/ages-stages/baby/sleep/Pages/The-Importance-of-Tummy-Time.aspx

Cited on Week 5, Week 6, Week 7, Week 9, Week 10, Week 11, Week 12

https://www.healthychildren.org/English/ages-stages/baby/teething-tooth-care/Pages/Teething-Pain.aspx

Cited on Month 4, Month 5

https://www.healthychildren.org/English/ages-stages/prenatal/delivery-beyond/Pages/Bringing-Baby-Home.aspx

Cited on Week 1

https://www.healthychildren.org/English/ages-stages/toddler/toilet-training/Pages/the-right-age-to-toilet-train.aspx

Cited on Year 2

https://www.healthychildren.org/English/ages-stages/Your-Childs-Checkups/Pages/your-checkup-checklist-3-years-old.aspx

Cited on Year 3

https://www.healthychildren.org/English/family-life/family-dynamics/communication-discipline/Pages/Temper-Tantrums.aspx

Cited on Year 2, Year 3

https://www.healthychildren.org/English/health-issues/conditions/fever/Pages/Fever-and-Your-Baby.aspx

Cited on Week 1, Week 2, Week 3, Week 4, Week 5, Week 6, Week 7, Week 8, Week 9, Week 10, Week 11, Week 12, Month 4, Month 5, Month 6, Month 7, Month 8, Month 9

https://www.healthychildren.org/English/health-issues/conditions/fever/Pages/When-to-Call-the-Pediatrician.aspx

Cited on Month 11, Month 12, Year 1, Year 2

https://www.healthychildren.org/English/health-issues/injuries-emergencies/Pages/Choking-Prevention.aspx

Cited on Month 6, Month 7, Month 8, Month 9, Month 10, Month 11, Year 1

https://www.healthychildren.org/English/health-issues/injuries-emergencies/Pages/dehydration.aspx

Cited on Month 10, Month 11, Month 12

https://www.healthychildren.org/English/healthy-living/growing-healthy/Pages/toddler-food-and-feeding.aspx

Cited on Year 1, Year 2, Year 3

https://www.healthychildren.org/English/healthy-living/nutrition/Pages/when-to-introduce-egg-peanut-butter-and-other-common-food-allergens-to-your-baby-food-allergy-prevention-tips.aspx

Cited on Month 6, Month 7, Month 8, Month 9

https://www.healthychildren.org/English/healthy-living/sleep/Pages/healthy-sleep-habits-how-many-hours-does-your-child-need.aspx

Cited on Year 1, Year 2, Year 3

https://www.healthychildren.org/English/safety-prevention/at-home/Pages/Childproofing-Your-Home.aspx

Cited on Month 8, Month 9

https://www.healthychildren.org/English/tips-tools/symptom-checker/Pages/symptomviewer.aspx?symptom=Immunization+Reactions

Cited on Week 8

https://www.lllc.ca/growth-spurts

Cited on Week 12

https://wicbreastfeeding.fns.usda.gov/cluster-feeding-and-growth-spurts

Cited on Week 4