Beyond your baby reaching a weight that’s over what’s recommended for his or her current nappy size, here are some signs your baby might be ready for a different size nappy: The design of these nappies is just the cherry on top. Patterns of Nappychat characters inspire story-telling at change time, encouraging bonding between you and your baby, as well as supporting their speech development. Dr Hillary Jones – Having a baby is an exciting but worrying time and I’ve met lots of parents over the years who are worried about rashes on their babies – particularly in the nappy area. Whilst these are often very unpleasant for the baby and worrying for the parent, in all my 30 years of General Practice, I have never found that a nappy has burnt a baby. If you’d like to read more about the process for making and testing our nappies, I’ve written a blog outlining the process here. We use a TotsBots nappy over a pair of Bambino Mio swim pants. Not sure if the double layer is necessary but it gives me peace of mind and has never leaked!" - recommended by Mumsnet user, Littlehouseinthebigcity

We think Aldi’s Mamia Ultra-Dry nappies are the best nappies to buy right now. They offer great value for money, feature a range of choices to suit different households and receive overwhelmingly high praise from parents across the UK. Why you should trust us A baby’s skin is very delicate and so it can react to exposure to wee and poo. Nappy rash can often be more severe in babies with very sensitive skin, for example premature babies – or when they are going through other experiences such as teething, weaning or a course of medication that is impacting on the acidity of their wee and poo. Nappy rash can also be caused by a nappy not fitting right and rubbing against the skin. TotsBots are the nappy - no need for another. Just add a fleece liner in if you have or use as they are. You can add swimming costume/UV suit over the top if you like" - recommended by Mumsnet user, Caspianberg Our verdict

Mumsnetters know that not all baby products are created equal. That's why we obsessively research all sorts of products, from the best changing bags to the best breast pumps and best baby bottles. It's one way we can help make parents' lives that little bit easier. How we chose our recommendations These Mumsnet Rated nappies get a seal of approval from Mumsnet users, meaning they’ve been tried and tested by real parents, with more than 80% of testers saying they would recommend Mum & You nappies to family and friends.

Nappies vary wildly when it comes to cost, with supermarket brands typically sitting at the lower end of the price range and eco and brands options sitting at the top. Think about what you need most - whether that be something low cost, a nappy for sensitive skin or a high-absorption nappy for heavy-wetters - and see which of our recommended products might suit. For example, if your baby weighs 4 or 5 kilograms a Pampers size 2 nappy might be the ideal size, but if you have a baby who is long and slim you might need to stay with the smaller of the two possible sizes (Pampers size 1) for the best fit. If you’re looking for a budget nappy, try Sainsbury’s Little Ones which start at a generous 5p per nappy. Mumsnetters on our forums have generally reported good results.

What are the best nappies to buy?

Active: these are stretchier nappies, great for preventing leaks and spillages when your baby starts to move around on their own. Swim: both reusable and disposable options are a swimming must for any baby or child who hasn’t been potty trained.

To help parents identify nappy rash and offer some hints and tips on how to treat it, I’ve made this short video, which you can watch here Dr Hillary Jones -Up to a third of babies and toddlers in nappies can have nappy rash at any one time. Most forms of nappy rash can be identified by red, sore looking spots and may feel hot to touch. In more severe cases it can resemble a ‘burn’. Whilst this reaction is uncomfortable for babies and worrying for parents, it is very common and treatable. Darina Hall - We take great care to make sure our nappies are just right for your little angel! They are made from a combination of materials that are all commonly used in nappies and rigorously tested for quality. Thanks to their secure, strong holding tape and soft, stretchable wings, they’re great for any little wrigglers as they stay comfortable and in place throughout the night. Pampers Active Fit has no shortage of impressive details to make your life easier, including a wetness indicator so you know when a change is due. We wanted to create a nappy that eliminated the saggy bottom and allow babies to move freely! Therefore, we’ve invested in the latest nappy technology that ensures nappies still have the same absorbency power but without the bulk!If a nappy is too big, urine and poo may run out through gaps between the nappy and the skin before the nappy can absorb it.