However in other instances I was stumped as to why their feeding had suddenly gone haywire and they were more agitated. If you’re unsure if they’re ready, rest assured there’s no exact science to when it’s time to change up the flow rate on your baby’s bottle. I noticed with both teats and breast pump parts, such as filters, how the plastic seems to just degrade over time. So if you’re noticing a sudden change in your baby’s behaviour then you should cycle through the usual possibilities – growth spurt, developmental leap, sleep regression, teething– and add bottle flow rate to the list! You almost don’t notice how much a teat can have become worn until you switch to a brand new one and feel the difference. Final thoughts on changing flow speeds

The number 1 is recommended to use regardless of the babies age if alternating between breast and bottle is the practice. If your baby is finishing the bottle in less than twenty minutes, and has made a mess or has gas afterwards, the nipple size is probably too large. You can see rough similarities in the banding between them – but remember that one brand’s slow flow rate won’t necessarily be identical to another’s.Breastfeeding Guide: Here are Top 5 Bottles for Breastfed Babies. Why Can’t I Use a One Size Nipple? The Variable Flow teat (with the I, II and III markings on the teat) is suitable for babies aged 3+ months old. This teat has a slot cut into it which provides an adjustable flow rate. The flow rate can be varied by turning the bottle to align the I, II or III markings on the teat with the baby's nose.

The Philips Avent Anti-colic bottle reduces fussing. Babies fed with Philips Avent Anti-colic bottles experienced 60% less fussing at night than babies fed with a competitor’s anti-colic bottle. The teat shape allows secure latch, and the ribbed texture helps prevents teat collapse for uninterrupted, comfortable feeding and is made of BPA-free material (silicone). Just to showcase how much flow rate varies by manufacturer, here is a guide to some of the bigger brands teat flows. Some drugs may have Authority Required (Streamlined) status which does not require an explicit approval from Medicare, instead the doctor can use the Authority code found in the published Schedule for a given drug/indication. If your baby is both breastfed and bottle-fed, for the first month you should use the Newborn nipple that has one hole. Infants who are from three to size months old should be finishing the bottle between fifteen and thirty minutes.This will vary depending on the manufacturer – as there is no industry standard for teat sizes. When should I change from medium to fast flow teats? NUK is a little different from some other manufacturers. It features two different teat sizes and each size comes with S, M and L hole sizes for you to choose from. Age can be an arbitrary number and reference point, though it is still very helpful for getting started. After that, infants who are three to six months old should be happy with the Medium Flow nipple. This one has three holes. To some babies, yes teat size matters. This is because the size and flow rate of different sized teats might not always suit your baby’s feeding habits. But it’s pretty common for a baby to be perfectly content with one teat size the whole time they’re bottle feeding, but the flow rate will need to change over time as they develop. All Tommee Tippee teats are the same size, but with different flow options. Can a faster flow teat make reflux worse?