Newborn essentials checklist (and what you DON'T need)

The essential newborn kit for the first 3 months covers six categories: clothes (mostly sizes 1-3 and 3-6 months, very few 0-1), bath and care, diapers (a small stock of size 1, a bigger one of size 2), sleep (sleep sack, fitted sheets, muslin cloths), feeding (only if you're not exclusively breastfeeding), and health (thermometer, nasal aspirator, saline solution). The rule that matters most of all: one single item per macro-category — one crib, one sterilizer, one carrier — because overlap is the most common waste. Among the many “newborn essentials lists” circulating online, most are a copy-paste of 70 items written by people who sell newborn kits, and the result is a wardrobe full of things never used. This list is different: it contains only what you really need, with realistic quantities and an honest section on what to leave on the shelf.

Premise: sizes change quickly

A healthy newborn grows about 3-4 cm per month in the first 3 months. The 0-1 month size lasts on average 3-5 weeks, the 1-3 monthsabout 2 months, then you move on to 3-6. This means buying 15 bodysuits in size 0 is a waste: you would only use half. The golden rule is: few size 0s, more 1-3 and 3-6 sizes, plus a small stock of 6-9 months for when you stop buying and realize the baby has grown.

Clothes — realistic quantities for the first 3 months

Count on a load of laundry every 2-3 days (with a newborn you wash a lot). From these quantities, you keep half clean and half in the dirty basket on rotation.

• Short-sleeve bodysuits: 6 in size 0-1, 8 in size 1-3, 6 in size 3-6. Search cotton bodysuits on Amazon
• Long-sleeve bodysuits: 4 in size 0-1, 6 in size 1-3, 4 in size 3-6 (useful for mid-seasons and for sleeping).
• Full sleepsuits (footies): 4-5 per size. They are the most comfortable piece of the newborn kit — baby dressed in a second. Search organic cotton sleepsuits
• Soft pants / leggings: 3-4 per size. To pair with the bodysuit when you start going out.
• Sweaters / cardigans: 2-3. Worn over the long-sleeve bodysuit in the cold months.
• Newborn socks: 8-10 pairs (singles get lost in the wash, it's inevitable). Look for socks with a loose cuff, not tight ones that leave a mark.
• Cotton hats: 2-3. At the maternity ward they always use one for the first hours.
• Heavy snowsuit / mini puffer: 1, only if the baby is born in the cold months (November-February).

Bath and care

• Hooded towels: 2-3. The hood is genuinely useful, it's not a marketing gimmick. Search hooded towels
• Single body-and-hair wash: 1 large bottle, neutral, fragrance-free. Babies don't need a separate shampoo until 1-2 years.
• Diaper cream (zinc oxide paste): essential to prevent rashes. Search zinc oxide paste
• Wet wipes: 3-4 packs to start. Look for the ones without alcohol and fragrance, ideally with 99% water.
• Sweet almond oil: 1 bottle. For cradle cap, gentle massage, particularly dry skin.
• Soft brush + comb. 1 set.
• Round-tip nail clippers or a specific file. Nails grow very fast.

Diapers

Tricky point. Start with size 1 diapers (2-5 kg) for the first month, but buy only one large pack. Newborns often skip size 1 in 2-3 weeks and move straight to size 2. Keeping a huge stock of size 1 means reselling or giving away unopened diapers.

• Size 1 (2-5 kg): 1-2 large packs. Search size 1 diapers
• Size 2 (3-6 kg): 2-3 large packs. Search size 2 diapers
• Size 3: 1 large “backup” pack: you will use it sooner than you think.

For sleep

• Summer sleep sack (TOG 0.5-1) and winter (TOG 2.5): 1 per season. Safer than loose blankets, which safe-sleep guidelines recommend avoiding before 12 months. Search newborn sleep sacks
• Fitted sheet for crib or cot: 3 (one in use, one clean, one for nighttime emergencies).
• 100% cotton muslin cloths (70x70 or 120x120): 4-6. Muslin cloths are the most versatile piece of fabric in the newborn kit: light blanket, spit-up shield, improvised changing mat, sunshade for the stroller. Search cotton muslin cloths
• Room thermometer to check the bedroom temperature (18-20 °C is the ideal window).

Feeding (only if you are not exclusively breastfeeding)

• Anti-colic bottles: 3-4 in 150 ml + spare teats. Even if you plan to breastfeed, having at least 1 bottle for emergencies or expressed milk is useful. Search anti-colic bottles
• Sterilizer: 1, only if you plan mixed or formula feeding. For exclusive breastfeeding it's not needed until weaning.
• Terry cloth bibs: 8-10. Look for the ones with velcro or snap buttons, not the ones with ties (they are unsafe).

Health

• Digital rectal thermometer or infrared forehead thermometer: 1. Search infrared thermometer
• Nasal aspirator (manual or electric): 1. Essential during the first cold.
• Single-dose saline solution: 1 pack (40 vials). For cleaning the nose and eyes.

What you DON'T need (or barely need)

Potentially unpopular but honest section. All things that the moms who bought them will tell you “I never used it”.

• Shoes for 0-3 month newborns. They don't walk. A newborn's foot develops better barefoot or with non-slip socks. Shoes are purely decorative.
• Formal outfits in size 0. That little vest-and-suit set you saw in the shop window will be worn for 30 minutes for the christening photo. Terrible cost/usefulness.
• Bottle warmer. Running hot water or a few minutes in a pot are just as fast. Counter space wasted for nothing.
• Baby hair dryer. A towel and a bit of patience dry the baby perfectly. The noise of a mini hair dryer is the same as an adult one.
• Cot + crib + co-sleeper + hammock. Choose just ONE, based on where the baby will sleep the first months. The overlap is a huge waste.
• Microwave sterilizer + electric sterilizer + cold sterilizer. Just one. Preferably the electric steam one, it's the most convenient.
• Set of crib sheets in 8 different patterns. You use 1-2, and for 3-4 months before moving to the cot.
• Heavy wool blankets. Not recommended by safe-sleep guidelines under one year (Italian Society of Neonatology). The sleep sack replaces them.
• Pillows, bumpers, padded crib inserts. Also not recommended due to suffocation risk.

Final tip: add everything to the baby registry

Almost all the essential items above (bodysuits, diapers, wipes, towels, muslin cloths, bibs, thermometer, nasal aspirator) are perfect as gifts on the baby registry: cheap, always useful, never wasted. Relatives love giving practical consumables, especially when they understand they really save you on the grocery bill.

For the big items (stroller, crib, changing table, sterilizer) activate the collective gift: several people contribute together to the same purchase, each with the amount they prefer. It's the most dignified way to cover the important pieces without asking too much of any single person.

In summary

The newborn kit shouldn't look like the baby department of a big store: it should cover what you use every day in the first 3 months. A few pieces per category, progressive sizes (more 1-3 and 3-6 than 0-1), a single item for the macro-categories (cot, sterilizer, baby carrier). The rest is marketing and gifts from people without direct experience.

You save money, space, and end up with a functional wardrobe instead of one full of things “to give to the cousin who gets pregnant after you”.

Frequently asked questions

How many clothes does a newborn really need in the first 3 months?

Not many in the 0-1 month size (it lasts only 3-5 weeks): it's better to focus your shopping on the 1-3 and 3-6 month sizes, the ones the baby wears the longest.

Do you need a crib, or a bassinet too?

Just one of the two, depending on where the baby will sleep the first months: crib, bassinet, or co-sleeper. Having all of them is a huge waste of space and budget.

Do you really need a thermometer and a nasal aspirator?

Yes, they're among the few truly essential health items: you'll need them during the first cold, which comes sooner than you'd expect.

How many diapers is it worth buying in advance?

Not many in size 1 (2-5 kg): many newborns outgrow it in 2-3 weeks and move straight to size 2. It's better to buy just one large pack of size 1 and a bigger stock of size 2.

What do you NOT really need in a newborn kit?

Shoes for 0-3 months (the baby won't walk), formal outfits in size 0, a bottle warmer, and duplicate sterilizers: all things that the people who bought them admit they never used.

Sources

• Società Italiana di Neonatologia (SIN), “Sonno sicuro per la tutela della salute dei neonati” (Italian Society of Neonatology, “Safe sleep for the protection of newborn health”) — agensalute.it (accessed June 30, 2026).