Re: weaning from bottle?
I think you'll find a variety of opinions on when to wean from the bottle. A pediatrician or a dentist would probably tell you that you want to transition to an open or sippy cup at around 12 months, because fluids delivered via bottle can have deleterious effects on the child's teeth (though if the fluids in question are exclusively breastmilk or water, it's much less of a problem because water doesn't cause decay and breastmilk generally doesn't as long as the child has normal tooth enamel). I think a mom would tell you to observe your baby. Is your baby able to drink from a cup? Is she taking enough from the cup to make up her fluid requirements? Is she reliant on the bottle to transition to a nap? If the baby can drink from a cup, drinks plenty from the cup, and doesn't need a bottle before a nap, then work on transitioning sooner rather than later. If the baby is still just getting the hang of the cup and/or needs a bottle before a nap, then maybe the transition needs to be a bit slower. Offer open and sippy cups, but don't take away the bottles too fast.
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