Baby growth developmental growth spurts from The Wonder Weeks. These were spot on for us and VERY helpful. More info at http://www.thewonderweeks.com/
Monthly baby picture ideas to document your baby's growth! A great collection of ideas for taking monthly baby photos!
What to expect for baby milestones and habits in the first year
I love this! Take a picture every month with the same stuffed animal or toy to illustrate growth!
Baby Milestones- Growth + Development 0-12-months. Free keepsake + tracker inside.
Pregnancy Week by Week Chart
#baby milestones infographic
What size is your baby?
How big is your baby? We just love this cute poster—what a great tool for big brothers and sisters to follow baby's growth!
I love my wonderweeks app. This gives a very high level summary