How often do you replace teats in your babies bottle?

Question

or should you replace them every so often

Answer 1

well as they get older they need different flows so then .

or if they have any holes in  

Answer 2

only replace them when the nipple is leaking more than usual and seems to be gagging your baby. you'll know when that happens!

Answer 3

No only when there pretty batterd

Answer 4

Replace nipples when they are torn, racked, discolored or starting to squirt out more milk than normal.