Appearance
Cups, water, and feeding transitions
The second half of the first year is when cups become useful and bottles become less central. The transition does not need to be dramatic, but it should be intentional 13.
Where water fits
Small amounts of water can be offered with meals once the baby is eating solids, but breast milk or formula still matters more for nutrition through most of the first year. Water is a support habit, not a replacement for milk 13.
That is why water belongs with meals and practice, not as a filler all day long. If a baby is drinking so much water that milk feeds drop sharply, the balance has probably drifted too far.
Why cups matter
Learning to use a cup helps the baby practice mouth and hand coordination and prepares them for toddler eating patterns. Canada’s oral-health guidance recommends moving toward an open cup by age 1 and avoiding sugary drinks and frequent grazing that can raise cavity risk 1.
You do not need to find one magic cup. Many babies learn best with either a small open cup or a straw cup, and the better cup is the one the child can actually use without every meal becoming a contest.
How much water is enough
Start with small sips at meals. The point is to practice, not to hydrate like a hiker on a desert trail 14. If the baby is still on mostly milk feeds, water should stay a small accessory rather than a new major drink.
If the baby seems to prefer water over milk, reduce the cup offer and make sure milk is still happening often enough.
What to avoid or limit
Honey should stay out of the diet until 12 months, and sugary drinks do not belong in the regular routine. The point is not perfection; the point is avoiding avoidable risks while the baby is still small 21.
Do not use juice as a hydration strategy and do not let cups become a way to silently replace milk before the baby is ready 2. Water belongs in the training plan; sugar and juice do not.
What the transition usually looks like
In practice, many families keep some bottle feeds while introducing meals and cups, then gradually shift the balance over time. That works better than trying to force every transition in one week 34.
The most common order is:
- practice cups with meals
- move daytime drinking away from bottles first
- keep bedtime or comfort bottles for later, if they are still needed
- phase the routine down gradually rather than all at once
If daycare is already using cups, practice the same cup at home so the baby is not learning a new object and a new setting on the same day.
When to back up and ask for help
If water or cup training is crowding out milk, weight gain is slowing, or the baby is not managing the transition without a lot of coughing or frustration, slow the change and ask the pediatrician or feeding clinician what they want changed first 13.