you can call for replacement dear....for feeding Madela calma is best.....it has mom's breast shape for suckling

I also had same problem. then I switch to avent...

replace
and opt for camera glass bottles.
glass is far better than plastic.
i used camera glass bottle and haan other companies have thin glass where as camera has thick

yes dear 3-4 times I have tried this one.. but when my baby try to feed from it,  milk came from  outside of cap ..there is a hole on the cap.. something wrong with its cap

usually there are no manufacturing defects in chicco, but still if u have problems u can contact customer care they may replace it. but before you do, just make sure u are using a correct teat correct way