Milestone blankets usually have the months numbered out on the blanket or have cards to place on the blanket to note how old your baby is. Every month, some parents do a photoshoot with their baby ...

Etsy seller Leni + Co's baby milestone cards set ($14) comes with 24 cards, including a birth announcement, one, two, and three weeks, one to 11 months, and 1 year, along with eight milestones ...