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      Your baby’s development at 1 month old

      Newborn Held By Mother

      Your baby’s development at 1 month old

      Your baby's first month

      Getting along famously

      From smiling and grasping things to making all sorts of new noises, your clever 1-month-old baby is becoming more alert by the day. As breastfeeding provides all the nutrition they need to support this development, your diet remains as important as ever.

      What's been happening in baby's first month of development?

      Over the last 4 weeks, you may have noticed some considerable changes, not only in your baby’s appearance but in their response to their surroundings too. They may have started to react to everyday sounds like the doorbell or your phone ringing. These are good signs that they are growing physically and mentally.

      Muscle development at 1 month

      As your baby develops, their muscles will become stronger. Around this time most babies will still struggle to lift their head, but as their neck and upper body strength improves, they'll learn to lift it slightly when lying on their tummy, progressing to propping themselves up on their arms, holding their heads up, and looking around.

      Baby Hand Holding Thumb


      Their first real smiles

      Even at this young age, some babies can smile! You can tell that it is real if they use their whole face, and their eyes light up.

      If your baby isn’t smiling yet, it doesn’t mean they are unhappy.

      Your baby will smile when they are ready, but you can encourage them through tickling, cuddling and play. They will learn by copying you, so be sure to smile a lot.

      Your baby’s developing eyesight

      Newborn babies are near sighted, which means they can only see blurry shapes – at birth they can only see about 8 to 12 inches away. While still limited, your 1-month-old baby’s visual skills are improving. You may notice their eyes darting around a lot, this is because they haven’t learnt how to focus them yet. However, they will be drawn to moving objects and human faces, especially yours, which is about as far as they can see.

      LCPs – food for thought

      The HSE and World Health Organisation (WHO) recommend exclusive breastfeeding for the first six months of life. If you are breastfeeding, your baby will get all the nutrients they need to develop for the first six months of life directly from your breast milk. That is why your diet is so important.

      Drinking 2 litres, or six–eight glasses of water a day will help your production of breast milk.

      Research shows that DHA (Omega 3), found naturally in breast milk – are important for the development of a baby’s brain and eyes therefore, try to include omega 3-rich foods, like salmon, mackerel, sardines and fresh tuna in your diet.

      The beauty of bonding

      Skin-to-skin contact is a great way to strengthen the emotional bond between you. It also helps to regulate your baby’s heart rate and temperature.

      Breastfeeding or rocking your baby gently can help them feel comforted.

      Your 1-month-old baby will love physical contact with you, so massage, cuddles and gently moving their arms and legs are good ways to soothe them. It’s useful to remember that not all babies develop at the same rate, and there’s a wide range of what’s considered ’normal’. Read our articles on how to bond with your baby.


      Add these items to your shopping list:

      • Salmon, mackerel, sardines or tuna



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      Your baby's future health begins here

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      Related articles

      Questions about feeding and nutrition?

      Our nutritionists and feeding advisors are always on hand to talk about feeding your baby. So if you have a question, just get in touch.

      Brighter futures start here

      Discover more about infant development to help shape your baby's future

      Join now for free

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