When do you stop sterilising the milk bottles?

[rashescinderella]

Hi all, may i ask when do you stop sterilising the milk bottles?

 

[RonReaMum]

I stop when he is abt 14 mths. But I still rinse the milk bottle with boiling hot water before used.

 

[zaclin29]

Just stopped recently at 19 months.
Rinse with hot water before use.