my friends baby shower is the middle of June and she's due the end of July how many mommies due…

my friends baby shower is the middle of June and she's due the end of July how many mommies due around that time would use a tie blanket to cover the car seat? because I made one for my daughter and I've used it more than I thought I would (for more than just to cover the car seat) and I'm trying to decide what I'm going to get her