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3-Week-Previous Child: Milestones & Growth

At 3 weeks, many mother and father are beginning to really feel like they’re stepping into the groove of caring for his or her child. They perceive higher what their child wants, and are beginning to adapt to the life-style of parenting a new child—exhaustion and all!

What’s extra, your child is changing into increasingly more alert, and actually beginning to really feel like slightly particular person. With that heightened alertness, although, comes extra intense intervals of fussiness, and a few infants are even starting to point out indicators of colic.

Right here’s what you should find out about parenting a 3-week-old child, together with what milestones to stay up for, some care and security suggestions to bear in mind, and what to anticipate relating to feeding and sleep.

At This Age

  • Growth: Your child is changing into conscious of their environment, and could also be making eye contact with you extra typically.
  • Sleep: Your child nonetheless spends the vast majority of their time sleeping, however could also be progressing towards some longer stretches of sleep at evening.
  • Meals: Your child remains to be feeding ceaselessly, and must be fed at evening; chances are you’ll discover that your child is gassier than earlier than.
Illustration by Joshua Seong, Verywell

3-Week-Previous Child Growth

Should you evaluate your 3-week-old to how they had been at delivery, you may really feel as if you might have a totally completely different child! As Natasha Burgert, MD, pediatrician and Philips Avent Spokesperson, explains, though 3-week-olds nonetheless sleep rather a lot, they often have longer intervals of awake time. When they’re awake and alert, they only usually appear extra conscious and aware of their setting.

In case you are fortunate, you even get just a few tiny moments the place your child will lock eyes with you (belief us, it would soften your coronary heart). “There could also be some slight glimpses of eye contact, however visible engagement remains to be creating,” says Dr. Burgert. At this age, infants can nonetheless solely clearly see about 8-12 inches away.

As your child develops extra of a character, they are going to be experiencing extra cranky moments. Many mother and father observe that this coincides with additional tummy points as nicely.

“By three weeks, some infants are having extra gassy, fussy intervals,” Dr. Burgert says. “Any additional air in a child’s abdomen could make this discomfort worse,” she says. Guaranteeing latch whereas breastfeeding might help, Dr. Burgert suggests, in order that your child doesn’t swallow an excessive amount of air.

Three weeks can also be the time that many infants begin to develop colic or colicky signs. One in 5 infants develop colic, and it normally peaks for infants between 4 and 6 weeks of age. Colic normally includes intervals of inconsolable crying, normally throughout the night, and could be very worrying for fogeys, particularly in the event that they don’t really feel like they know find out how to soothe their infants.

Understanding that colic is frequent and normally will get higher as time goes on could be very reassuring to oldsters combating colicky infants. Rocking, shushing, strolling, and letting your child suck on a pacifier might help. In case your child’s tummy appears upset, you may speak to their pediatrician; some infants are delicate to components in components or to one thing their breastfeeding dad or mum is consuming.

Your child is de facto beginning to develop, and chances are you’ll discover that their new child garments are getting slightly extra cosy. At this level, your child has began to surpass their delivery weight, and is placing on slightly weight every day.

Three-week-old infants normally acquire about 1 ounce a day, and by the top of their first month, they normally have grown about 1 to 1 ½ inches.

3-Week-Previous Child Milestones

Your child is getting stronger each day. You may discover that your child’s physique actions appear much less random and extra coordinated, says Dr. Burgert. “When shifting round, they need to be shifting their legs and arms equally,” she describes.

With this added power, chances are you’ll discover that your child has slightly bit extra neck and head management, explains Amy Verlsteffen, APRN, senior director of scientific transformation at TytoCare. She says that at this age, many infants are in a position to elevate their heads about 45 levels when they’re mendacity on their bellies.

Don’t fear in case your child nonetheless can’t try this, although. All infants are slightly completely different. Verlsteffen suggests spending slightly time every day doing “tummy time” together with your child to assist them strengthen their muscle groups.

“Tummy time will assist the child’s head and neck turn into stronger and stop flattening of the again of the pinnacle,” she says.

At this age, your child can also start to comply with faces and shifting objects with their eyes, says Verlsteffen. It is a talent that’s simply rising at this age, however which is able to get extra refined as your child will get older, and particularly as their imaginative and prescient will get sharper. Bear in mind, your child’s imaginative and prescient remains to be slightly blurry, they usually can solely see clearly just a few inches in entrance of them.

Further Behaviors

  • Your child’s listening to is totally developed at this level, and they need to flip their head once they hear a sound.
  • Your child can odor nicely and should even acknowledge the scent of breast milk.
  • Your child can’t see greater than 8-12 inches away however ought to reply to shiny lights within the room or exterior.
  • Your child could start shifting their head facet to facet throughout tummy time.

3-Week-Previous Child Meals

After dropping slightly weight of their first week of life, your child needs to be again to their delivery weight now and beginning to steadily acquire weight. Usually, infants of this age acquire about one ounce a day. To perform this, your child will nonetheless be feeding very ceaselessly, although a few of their feedings could begin to stretch out slightly bit.

Throughout this time, it’s best to nonetheless follow “responsive feeding” together with your child, feeding them once they present starvation cues, and studying them for indicators that they’re full. Whereas many mother and father and infants will get right into a rhythm with feedings, there shall be a large variation of feeding patterns at this age.

“They might be cluster feeding extra or go longer intervals of time between feeds, however you shouldn’t be experiencing any regression of their feeding at this stage,” says Verlsteffen. Be certain to achieve out for assist instantly in case you are nonetheless struggling, Verlsteffen advises.

“Feeding points at 3 weeks of age needs to be mentioned with a lactation guide or the child’s pediatrician,” she says.

In all probability the most important feeding concern mother and father have at this age is that their child could seem gassier than earlier than. This gassy interval typically coincides with intervals of extra crying, and the emergence of colicky signs. Your child could also be notably gassy at evening.

In case you are breastfeeding, think about permitting your child to complete one breast utterly earlier than providing the opposite. This ensures that your child receives extra of your “hindmilk” which is usually simpler to digest. You may as well speak to your pediatrician about whether or not one thing you might be consuming could also be upsetting your child’s tummy. Cow milk merchandise are a standard perpetrator.

Different choices for soothing a child’s gassy tummy embrace ensuring to not overfeed your child, burping your child ceaselessly, or gently putting your child throughout your knees, and massaging their again.

3-Week-Previous Child Sleep

Your child remains to be sleeping a complete lot, 14-17 hours a day on common. At this age, your child ought to nonetheless be waking up in the course of the evening no less than just a few instances to eat, says Verlsteffen. Some infants could begin to sleep longer stretches at evening—as much as 4 hours, in case you are fortunate. However infants this age are nonetheless consuming very ceaselessly, and sadly, that features at evening, she says.

“It’s nonetheless utterly regular for the child to be waking up ceaselessly within the evening to eat and to be modified,” she explains. “You do not need a child of this age to be sleeping by means of the evening as a result of they are going to seemingly be missing the vital vitamin that their physique and mind want for growth.”

On high of that, infants nonetheless don’t know the distinction between evening and day, says Verlsteffen. However beginning now, there are some things you are able to do to attempt to get your child used to the concept that nighttime is for sleeping and daytime is for being awake.

You are able to do this by retaining your curtains open and the lights on throughout the day, and retaining issues dim at evening. Over the subsequent few weeks, your child ought to lastly get it, Verlsteffen assures.

3-Week-Previous Child Schedule

At 3-weeks, you have to be doing “tummy time” together with your child frequently. The American Academy of Pediatrics (AAP) recommends that you simply do tummy time 2 to three instances a day for about 3-5 minutes per time. Tummy time helps strengthen your child’s muscle groups however it’s additionally an exquisite alternative so that you can get down on the ground and work together together with your child.

Attempt to not overthink tummy time. Simply place your child on a nursery rug, or a child play mat if in case you have one. In the event that they fuss, you may attempt once more later. In time, most infants find yourself having fun with tummy time, as a result of it’s an opportunity for them to freely transfer their our bodies and have interaction with their mother and father.

One other favourite exercise to do together with your child at this age is to exit for a stroll in a stroller. You may as well put on your infant in a child service. Contemplate going out when your child is fussy—typically, they cease fussing as quickly as they get exterior.

3-Week-Previous Child Well being and Security

So long as your child is having a number of moist and poopy diapers a day, and appears usually wholesome and content material, you don’t must take your child to your pediatrician till their one-month check-up, which is simply across the nook. That mentioned, if in case you have every other questions on your child’s well being or well-being, it’s best to at all times attain out to your pediatrician.

Listed below are just a few different well being and security suggestions to bear in mind.

Vitamin D Dietary supplements

Whereas breast milk affords implausible vitamin on your child, it doesn’t normally include an ample quantity of vitamin D, and your physician will seemingly advocate that you simply give your child vitamin D dietary supplements (400 IUs), normally within the type of drops.

Medicine for Fuel

As infants expertise elevated fuel and tummy upset throughout this time, many mother and father wish to know if there’s any medicine they can provide their child for reduction. It is a query it’s best to ask your pediatrician, however most medical doctors advocate simethicone drops, which is an over-the-counter medicine that may assist with each fuel and reflux.


Once more, due to the uptick in fussiness throughout this time, many mother and father are serious about swaddling their infants as a approach to soothe them. This may be very useful and works nicely for a lot of infants. Nonetheless, you wish to just remember to do it safely.

The AAP recommends that you simply don’t swaddle too tightly round your child’s hips, to stop hip dysplasia. You additionally wish to just remember to put your child to sleep on their again always, together with when swaddled.

3-Week-Previous Child Care Fundamentals

Your child care nonetheless revolves most round altering diapers at this level. In addition to all of the diaper modifications (and sure, typically complete outfit modifications on high of that!), there are a pair different child care subjects to concentrate on.


In case your child was circumcised at delivery, the circumcision website needs to be healed and you’ll proceed washing it with cleaning soap and water. If there are any indicators of an infection, corresponding to redness or swelling, it’s best to contact your physician instantly.

Uncircumcised penises don’t require any particular care. You may wash your child’s penis as you do the remainder of their physique. Importantly, you shouldn’t pull down their foreskin or power it free in any means. Your child’s foreskin will naturally retract by about age 5.

Clogged Tear Ducts

Your child’s tear ducts are nonetheless maturing and there could also be instances that they turn into blocked. When this occurs, you may discover that their eyes are extra pink or watery than common or that slightly crust has amassed. Normally these clear up on their very own, however you can too apply a heat, moist material on the attention to appease it. Mild therapeutic massage might help too.

Child Pores and skin Points

Your as soon as excellent wanting child could start to look rather less than excellent this week. Many infants this age develop a case of “child pimples,” and a few infants develop “cradle cap,” which is the place scaly patches seem on their scalp.

Neither of those points are trigger for alarm and also you don’t need to do something particularly to deal with them. Nonetheless, avoiding harsh cleaning soap, not over bathing your child, and giving your child some bare time to let their pores and skin air out could be useful. A child brush or comb can be utilized to softly take away your child’s cradle cap.

What Else to Know About Your 3-Week-Previous Child

Should you discover a spike in your child’s crying at the moment, attempt to remind your self that that is regular, and can cross finally. Should you really feel that nothing you might be doing helps to appease your child, don’t hesitate to achieve out to your pediatrician for recommendation. Most crying at this age is “simply what infants do,” however typically the crying is the reason for a medical challenge, so at all times go together with your intuition, and make contact with your pediatrician if something doesn’t really feel proper.

Steadily Requested Questions

  • What does a child develop at 3 weeks?

    Your child is beginning to develop a heightened consciousness of their environment, and their head and trunk muscle groups have gotten stronger.

  • What can a 3-week-old child see?

    Your child can nonetheless solely see just a few inches in entrance of them, and might largely solely make out black and white colours. However they love taking a look at their mother and father’ faces.

  • How a lot do 3-week-old infants sleep?

    Infants nonetheless spend the vast majority of their day asleep, and common about 14-17 hours snoozing.

  • How lengthy ought to a 3-week-old do tummy time?

    The AAP recommends doing tummy time together with your child 2-3 instances a day, for about 3-5 minutes every time.

  • Can infants smile at 3 weeks?

    Your child’s first social smile gained’t be till about two months, however your child could start smiling of their sleep at this age, and plenty of mother and father depend these smiles as “actual”!

  • How a lot milk ought to a 3-week-old drink?

    Formulation fed infants drink about 3-4 ounces a feeding at this age. Breastfed infants normally must feed about 8-12 instances in a 24 hour interval to make sure ample milk consumption.

  • How do you play with a 3-week-old child?

    Infants love interacting with their mother and father, however you don’t must do something particular to make your child pleased. Holding your child in your lap and making humorous faces will do the trick; you can too interact together with your child when they’re on their stomach doing tummy time.

A Phrase From Verywell

Your child’s third week of life is a really thrilling time for everybody concerned. However keep in mind that you’re nonetheless within the thick of the new child interval, and it may be a draining and overwhelming time. That is notably true in case your child has confirmed to be additional fussy throughout this time.

Your child’s well being and well-being are vital, however so is yours. In case you are discovering it tough to deal with your child’s crying or fussing, it’s OK to put them in a safe spot, and depart the room for a minute to regroup.

In case you are nonetheless usually discovering it onerous to deal with the transition to parenthood, or are experiencing heightened melancholy or nervousness, please attain out to your healthcare supplier. It’s possible you’ll be experiencing a postpartum temper dysfunction. In case you are, assistance is on the market, and there are efficient therapies that can provide help to really feel like your self once more.

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