agree with jools. i didn't sterilise anything after 6 mths (she was on bm only, so bottles need not be sterilsed anyway). i also figured if she was putting anything in her mouth, i need not sterilise her utensils. however, i made sure they're well washed & rinsed after each use. well rinsed is a very key word, ccos i believe residue dishwashing liquid is bad for her tummy.