Before sterilising, all bottles and teats need to be washed, either by hand or in the dishwasher (NHS, 2018). If washing by hand, you will need a separate brush for cleaning bottles and teats (NHS, 2019b). When should I throw away my baby’s bottle? Our support line offers practical and emotional support in many areas of pregnancy, birth and early parenthood: 0300 330 0700. It’s also recommended that babies stop drinking from bottles with teats by the time they are one year old as drinking through a teat leaves the teeth coated in milk and can lead to tooth decay (NHS Choices, 2015; Oral Health Foundation, 2017). Read more about this here. Since 2011, the European Commission has banned the use of Bisphenol A (BPA) in baby bottles. This was due to concerns that the chemical could leach out of the plastic and be absorbed by babies. None of the bottles for sale in the UK should have BPA (NCT, 2011).

Sterilising bottles is recommended for babies under a year because bacteria can easily grow in any milk remaining on the bottle or teats (Unicef, 2019). Babies are more vulnerable to these bacteria. Kimata, H. (2004), Latex allergy in infants younger than 1 year. Clinical & Experimental Allergy, 34: 1910-1915. Available at doi: 10.1111/j.1365-2222.2004.02128.x Made for Mums judge, Melanie said "Self-sterilisation is a good feature, and it's worth the money. Best-looking bottle on the market and great for sterilising on the go."Pearson-Glaze (2019) Best bottle for a breastfed baby, Available at https://breastfeeding.support/best-bottle-breastfed-baby/ [Accessed 4 December 2021]

If they can't control the rate of feeding, they are more likely to over-feed. Non-responsive feeding has been associated with discomfort and fussiness in the short term (NHS 2021) and linked to obesity in the longer term (Hurley, 2011; Watchmaker 2020). Some parents are cautious about using latex teats due to the risk of developing a latex allergy, particularly if there is a family history of allergy to latex (Kimata, 2004). NHS (2021) Bottle feeding Advice. Available at https://www.nhs.uk/conditions/baby/breastfeeding-and-bottle-feeding/bottle-feeding/advice/ [Accessed 6 December 2021] Slow flow is generally preferable for newborns, while you’re both learning how to feed. If the flow rate is too fast it makes paced feeding more difficult. In which case babies would have very little control over how they feed: milk would flow into their mouth faster than they can swallow it. This might make your baby cough or splutter, or struggle to keep up with the flow of milk so it dribbles to the side of their mouth. This could also mean they feel upset, get indigestion and bring up lots of milk.Step 2: Fill the base with silicone valve with 20 ml of cool water. The protective cap makes a practical measuring cup.

Wood, C. T., Skinner, A. C., Yin, H. S., Rothman, R. L., Sanders, L. M., Delamater, A., Ravanbakht, S. N., & Perrin, E. M. (2016). Association Between Bottle Size and Formula Intake in 2-Month-Old Infants. Academic pediatrics, 16(3), 254–259. Available at https://doi.org/10.1016/j.acap.2015.08.001 [Accessed 3 December 2021]

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If you plan to use bottles occasionally, or once a day, then it might make sense to buy just one bottle and teat. Bottles come in two sizes, small ones which hold 150mls (5 fl oz) and large ones which hold 250ml (9 fl oz). For the first few weeks, newborns feed little and often because their stomachs are so small (Unicef, 2019). The smaller bottles are more suitable for this period. Babies who feed from larger bottles consume more milk, which may lead to overfeeding (Wood et al, 2016). Powdered formula is not sterile, so you need to use water at approximately 70 degrees to kill any bacteria that might be present (NHS, 2019a). If the water is too hot it can reduce the nutritional benefit of the powder, but if it is too cold it may not kill the bacteria in the powder. ‘Ready-to-feed’ bottles contain ready-made milk that has already been sterilised (NHS, 2018; Unicef, 2019). Ready-to-feed bottles can be a convenient short-term solution if parents have been advised to give their baby formula on medical advice. They’re more expensive and not great for the environment though (NHS, 2018; Unicef, 2019). If your maternity unit is not yet on this list, you can speak to their infant feeding lead or call the NCT infant feeding support line on 0300 330 0700. What size bottle will my baby need?