Re: iron supplements?
My pediatrician takes a blood sample for iron levels at around 9 months. That allowed me to know with some certainty whether or not the vitamins were necessary- and neither kid was anemic despite being EBF and hadrdly eating any solids until close to a year. Nevertheless, I gave my kids vitamins. Not every day, but most days. I figured it couldn't hurt, and might help.
Coolest thing my big girl said recently: "How can you tell the world is moving when you are standing on it?"
Coolest thing my little girl sang recently: "I love dat one-two pupples!"