What are the milestones in the development of a four-month-old baby?

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What are the milestones in the development of a four-month-old baby?

Weight and height: how much does a 4-month-old baby weigh and measure?

Your baby continues to grow: he now weighs about 6kg and measure almost 62 centimeters. At each visit to the pediatrician or to your doctor, he checks her size, his weight as well as his head circumference in order to ensure that the growth proceeds normally.

Food: what does a 4 month old baby eat?

Your baby is starting to take an interest in everything you eat and his bottles or your milk no longer seem to be enough for him? Now is the time to start food diversification. “The child discovers a whole range of scents, textures and flavors: he enters a new taste world, confirms Valeria Lumbroso. Offer him some varied foods which solicit all his senses and take the time to accompany him in this gastronomic adventure ! If you prepare for him small dishes home (purées and compotes), let him taste one vegetable or fruit at a time, and by paying attention to his reactions, you will learn to know his tastes. »

Between feedings, bottles…

If your child is bottle fedit is advisable to give it every day four 210 ml bottles water weakly mineralized to which you will add 7 measures of 1st age breast milk. “This ration can be increased by 30 ml of water and a measure of milk, but you should never force your baby to finish his bottle, insist the authors of the My Child’s Big Book. If your child is hungry or if he is difficult to do without the bottle at night, it is possible to add 2 teaspoons of 1st stage “cereals”, gluten-free, to the evening bottle. »

In parallel with bottles or in addition to feedings, from four months oldyou can also start introducing the vegetablesusually at midday, then the fruits.

… and food diversification

If it is recommended not to initiate food diversification – that is to say to introduce foods other than milk – before the age of 4 months, this should not start either. beyond 6 months. “The period situated between 4 months and 6 months of age is ideal for beginning the very gradual introduction of foods other than milk”, say the authors of the My Child’s Big Book. A diversification too early can, in fact, make the bed of food allergies – the intestinal immune barrier, which limits the passage of food antigens in the blood, being still too immature – or cause digestive problems. And to add: “The vegetables will be started gradually, usually at midday, directly with a spoon in addition to the feeding, or in the form of soup. A vegetable puree “house” or a small pot of vegetables of about 130 g are well suited. They must be cooked ; do not add salt (apart from the salt put in the cooking water). It is preferable to offer only one only vegetable a day – in addition to the potato which serves as a binder – so that your child learns the particular taste of each”.

A fortnight after the introduction of vegetables, you can offer your child fruits in the form of compote, without added sugar if possible. “If you start fruit at the same time as vegetables, your baby may prefer the sweet taste and secondarily refuse vegetables”, warn pediatricians.

Finally,one to two weeks after the fruits, it is possible to introduce meat, Fish, eggs and themdried vegetablesof the iron rich foodswhich your child needs to develop (breast milk or infant formula does not contain it).

Sleep: what is the rhythm of a 4 month old baby? When should he take a nap?

Between the age of three and four months, baby acquires a circadian rhythm. His periods Eve and sleep shift: there is more long awake during the day and begins to sleep at night. He still needs a little nap though.the morning and a longer afternoon. ” The babies tire quickly, recalls Dr. Rosa Jové, child psychiatrist, sleep specialist in children. They are constantly stimulated and need moments during the day to recuperate. The naps help children rest. In this way, when they are awake, they are in good conditions to learn and develop their cognitive faculties. »

Vision: what does a 4 month old baby see?

In the first weeks of life, the baby’s visual acuity is poor. He can only pay attention to one person at a time and for a very short time. “Around the age of 2 months, the duration of his attention to the other lengthens, while remaining very variable according to the children, specifies Valeria Lumbroso. Must wait 4 months old for the baby to reach pay attention on two people alternately. When both parents are with him, he will look at one of them for a while, then his gaze will shift to the other. He is ready to participate in family discussions! »

At four months, baby acquires binocular vision and perceives bright colors better and better.

He also sees farther and now that he manages to stand up on his forearms, he can look around him and discover other horizons. Seeing and moving are linked, adds Valeria Lumbroso.

What are the vaccinations to take?

The first months of baby’s life are punctuated by monthly visits to the pediatrician or the attending physician or even to the midwife who has followed your pregnancy. The Maternal and Child Protection (PMI) offers a very good free monthly follow-up. You should know that in France, since 2018, eleven vaccines are mandatory in the first eighteen months of the child and are payable for community entry. “These are vaccinations against diphtheriathe tetanusthe poliomyelitiswhooping cough, invasive infections Haemophilus influenzae b-type, hepatitis B and the pneumococcal infections, says Dr. Umberto Simeoni. They are practiced at the age 2 months (8 weeks), by two injections separated by two months, followed by a booster at 11 months. »

Vaccination against group C meningococcal infection takes place at the age of 5 and 12 months and the one against measles, mumps and rubella (MMR) requires two injections at 12 and 16-18 months.

If you have any doubts, do not hesitate to ask your doctor to give you an update on the vaccination schedule.

Over the weeks, baby develops new skills. Now he holds his headright and follows the gaze in all directions. He is also able to roll from back to side and start to become aware of one’s surroundings. “The toddler is a great observer, confirms Maya Gratier. He observes the scenes of daily life and listens to what is said with intense and sustained attention. This is how he will gradually succeed in understanding what is happening without having to explain it to him. Watching your mother or father cook, for example, is the source of many learning for a baby. This stimulates his sensitivity to smells, textures, tastes and colors, but that’s not all! He will carefully follow each of his parents’ gestures: grabbing, placing, stacking, nesting, cutting, throwing, using a spoon, a glass, etc. When he’s able to move around and manipulate objects, he can’t wait to do it himself! »

Stimulate their curiosity

Baby is curious and is interested in the world around him. “If you listen to them, you will be able to intuitively support their curiosity,” adds Valeria Lumbroso. Sitting in his stroller or carried in his arms facing the world, in the street, in a park or in the middle of nature, he makes richer visual experiences and more interesting than in a house. He likes to be explained to him what we see and he learns a lot when we talk to him by showing him objects or situations. »

Choose simple toys

At the age of 4 months, limit yourself to basic toys : square of fabric to grab and crumple, rattles, balls, cubes or ring that he will be able to chew easily when the first teeth point their nose by next month.

Socialization: what is the behavior of a 4 month old baby?

At the age of 4 months, the infant recognizes familiar faces and laugh out loud when you make faces or play the game of “hello/hidden!” “. He discovers with delight his new “vocal skills”, chirps more and more and takes support on his forearms when he is on his stomach. In parallel, its grip develops. The toddler grabs an object, puts it in his mouth, then lets go. His body becomes an inexhaustible source of exploration: he holds his hands, lets go of them, brings his fist to his mouth, etc. In a few weeks, he will enter his jack-of-all-trades period: be careful not to leave dangerous objects lying around !

Finally, motor sidehis thirst for discovery leads the baby to acquire by himself as his neuromotor maturation progresses, the different postures needed to move and become autonomous: first stand aside, then roll over from belly to back and vice versa, sit up on their own, crawl or walk on all fours, stand with support, and finally start and walk. Pay attention to never leave an infant alone on a changing table. Even if he doesn’t turn around yet, he might surprise you!

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