Your 16-Week-Old Baby – development & growth

16-week-old baby

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Your baby's sixteenth week after birth

At sixteen weeks or a solid 4-month mark, there’s a lot your baby will ‘suddenly’ start to do and say and so, there are a lot of milestones to be celebrated! Not only will your baby be making various sounds of sorts to communicate with you, but will also be rapidly growing in terms of their physical and mental development.

Your 16-week-old baby's development and physical growth

  • Your baby’s reflexes

Talking about the spurt in growth and development, you can expect your little one to display increased movement and control over his limbs and reflexes. They will be more casually grabbing, holding, and reaching out for things by this week, signaling that they do generally understand the use of one’s own hands now! The baby’s ever-sensitive head will also now stop wobbling and you can expect to see more controlled and conscious head movement from them. A lot of babies also start attempting to crawl by this time. When you bend their legs and help them play-cycle, they will also begin to understand how their legs bend at the knees and will most likely be rather fascinated with this discovery!

  • Your baby’s transitioning food habits

The American Academy of Pediatrics recommends and approves to switch or at least begin the transition from liquid to solid baby foods between 4 and 6 months. Brace yourself for all the mess that is going to be created and all the struggle you have to bear to feeding your little one with solids! A good idea would be to put your baby in a  high chair or booster seat and first dab some cereal on his lips and only then try to scoop it into their mouth. This way, they can be better prepared for what they are going to be fed with.

  • Your baby’s sleeping habits

By the fourth month, most babies tend to finally start sleeping for longer stretches at night, at times even as long as even 8 hours at once! Your baby will still continue to roll over like they were doing last week and so, try to place them in an environment as secure as possible while they sleep. Using bed rail bumpers may also be a good idea. 

  • Your baby’s developing personality

As a rapidly growing baby, most toddlers tend to start displaying a personality of their own by the time they hit four months old. They may want to assert independence by fighting to hold the bottle on their own and some may even start to understand that it is time to eat when shown a bottle of milk. Your baby’s communication will also heighten, they will be able to follow voices, movement, and objects. Some clever kids may even faux cry to grab your attention as they’d understand that their cries will get you to them quickly!

Your 16-week-old baby's health

  • Weight gain

At the age of four months, your toddler will most likely gain some visible, substantial weight and there’s absolutely nothing to be worried about here. It is in fact recommended and expected for babies to gain weight around the time they hit 16 weeks, and so, if your child has not gained enough weight, you may have a reason to reach out to your pediatrician. Besides, if your baby tends to be abnormally quiet, silent, and indifferent, do not forget to let your doctor know about that also.

As for their vaccinations, most of their vaccinations must already have been administered in the weeks prior. As long as you make sure you are on schedule for those, there’s nothing, in particular, to be worried about at week 16.

  • Food allergies

As you now introduce your baby to solid baby foods, you should keep an active eye out for baby food allergies. Symptoms to most allergies vary in nature, however, the most common food allergy symptoms include itching, redness, vomiting, constipation, or diarrhea. In more severe cases, your baby may also be asphyxiated or show signs of choking and you should call 911 immediately. In ideal case scenarios, doctors recommend not introducing the most common food allergy-causing foods like peanuts and cow’s milk to babies until their digestive and immune systems are fully developed. This is because an immature immune system is more prone to react to proteins in foods.

  • Celiac Disease

Talking about food-related diseases, let’s quickly discuss the celiac disease.  A commonly recognized condition, celiac disease is a reaction to gluten, which is a protein found in grains and cereals. Babies who are sensitive to gluten and cannot digest the protein may show symptoms of diarrhea, gas, vomiting, and heightened crankiness. The chances of a baby suffering from celiac disease are only 1 in 100, however, the chances increase significantly if someone in your immediate family has already had a history with celiac disease.

Final Thoughts

As a new mother, you may have already gone back to work by the time your baby turns 16 weeks and so there’s going to be a lot on your plate to deal with. Take a deep breath and focus on one day at a time mama!. While it is absolutely essential and necessary that you devote your time and attention to your baby, you will now also need to ensure that you take good care of yourself.

You will have to ensure enough milk for your baby, especially if you are breastfeeding and so, it is recommended for moms to up their diet by as much as 200 calories v/s what they consumed when they were pregnant. Having said that, you’ll need to make sure that these extra calories are not empty calories and that you consume nutritious, enriching food that is loaded with vitamin A, vitamin C, vitamin E, riboflavin, folic acid, vitamin B6, vitamin B12, calcium, copper, and zinc. if not, your breast milk production may significantly go down.

It is also now a good time to take some time off for yourself and spend time reflecting on your day and life. A happy mamma makes a happy baby and so,  do not be too hard on yourself, consider working out a responsibility distribution plan with your partner, caregiver, and/or family member, do not shy asking for help, and do things that make you really, truly happy in your time off!

FAQs-Your 16-week-old baby - development & growth

1. What is the best cereal to introduce my baby to?

Doctors usually recommend an iron-fortified rice cereal (as gluten-based cereals may cause allergic reactions) for when you have to first introduce your baby to solid foods. You will ideally have to mix a small amount of powdered cereal with formula or breast milk, form a paste, and then try to feed your baby with it. it is recommended to not go all-in and to start with just dabbing some cereal on their lips to let them first understand what they are being led into.

2. Can I sleep train a baby at 16-weeks-old?

It may not be a necessarily bad idea to begin sleep training your baby for the betterment of them and yourself alike. Cry it out method remains one of the most common methods of sleep training and though it may be emotionally taxing, you will need to understand that as long as your baby isn't sick, hungry, or uncomfortable, it is OK for them to cry it out. If you are still not comfortable and it is difficult for you to let your baby just cry, you could instead opt for other methods like bedtime fading.

3. What is the difference between a baby spit up and a baby throw up?

While baby spit-up is a minor flow of food contents from a baby's mouth right after a meal, the baby throws up is a more forceful throwing up of the stomach contents. In simpler words, throw-up can be very similar to an adult throw-up where food content is expelled from the mouth in the form of vomit as against less intense and rather harmless spit-up. Using baby burp cloths to instantly clear the mess created by baby burps and spit-ups is highly recommended.
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