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Title: Not satisfied
Review: I wasn't happy using these bottles at all. As many others said it takes time for your baby to adjust to the nipples but I don't recommend using the stage 1 nipple. It needs to have a bigger opening for a faster flow. Also a few times the nipple collapsed and then I had to take apart the bottle and stretch the vent. These bottles definitely require a lot of work. (just read the other reviews about cleaning)Im currently using Avent bottles that are able to be used with a bottle warmer and don't require a lot of work. :)
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