The microbiome
A precious gift to your child
Journey of the microbiome
In the 9 months of pregnancy, brain development, immunity and growth are primed for later life. During pregnancy, a mom-to-be has a unique gut microbiome - partly inherited and partly shaped by lifestyle and environment
At birth, a baby gets covered in mom’s microbes, which will start forming a new microbiome
The baby’s gut microbiome matures as mom continues to pass on more microbes and “microbial food” through breastfeeding. Breast milk composition changes over time to give your baby the most tailored support.
The first oral foods grow the child’s microbiome more and more diverse. The different types of microbes help the immune system recognize the newly introduced foods, building immunity
The microbiome continues to grow thanks to other exposures such as pets, soil and daycare interactions. Many more factors affect microbiome development. Find out more below.
What shapes the microbiome?
Many things. And the good news is that you have control over many of them.
Birth mode
Breastfeeding
Formula
Diet
Prebiotics
Probiotics
Other supplements
Fermented foods
Antibiotics
Other medications
Nature
Pets
Care products
Viral infections
Mental stress
Exercise
Level of cleaning
Anti-microbial soap
Cleaning products
... and much more
External resources
Learn more
Many factors are associated to chronic disease
Scientists followed 4000 children for 10 years to understand factors associated to chronic diseases
Gut microbes affect lifelong health
The way the gut microbiome develops in the first 3 years of life shapes metabolism and immunity.
Antibiotics, birth mode and diet change the microbiome
Scientists have identified factors that might alter the gut microbiome composition in the first years of life.
Colic is associated to the gut microbiome
Gut microbes in the first weeks of life might predict and explain whether the child develops colic.
Asthma is associated to the gut microbiome
Scientists show how an immature microbiome at 1 year old is associated to higher risk of asthma.
The gut microbiome is linked to BMI
A study shows that gut microbes in the first two years of life is associated with BMI at age 12.
Probiotics restore the microbiome after C-section and antibiotics
A randomized controlled trial shows its possible to restore the gut after C-section and antibiotics
Mom’s diet shapes the composition of breast milk
Scientists show that what a mother eats affects breast milk, which in turn shapes the baby’s microbiome
Tell me all about
the gut microbiome
We are inhabited by 39 trillions of microorganisms that live on our skin, mouth, genitals, respiratory tract and gut. They are bacteria, fungi, viruses and parasites and they are essential for our health - in fact, we couldn’t survive without them ! The gut microbiome is the collection of all of our microbes in the gut, and their DNA. It has a fundamental role in digestion, immune system health and brain health. Imbalances in the gut microbiome have been associated with most chronic diseases like obesity, diabetes, asthma, celiac disease and even cancer.
References: Ghosh, T.S., Shanahan, F. & O’Toole, P.W. The gut microbiome as a modulator of healthy ageing. Nat Rev Gastroenterol Hepatol (2022); Vijay, A., Valdes, A.M. Role of the gut microbiome in chronic diseases: a narrative review. Eur J Clin Nutr 76, 489–501 (2022).
During pregnancy, the mother’s gut microbiome changes drastically, until birth. It is closely related to her own as well as to the baby’s health and it is thought to help:
1. Maintain a healthy pregnancy . Imbalances in the gut microbiome have been associated with complications such as gestational diabetes, obesity, preeclampsia, digestive disorders, and autoimmune diseases;
2. Promote the baby’s healthy development , especially their immune system and brain. Several animal studies have shown that the expecting mother’s gut bacteria produce compounds that might help educate the baby’s immune system and promote neurodevelopment;
3. Prepare the gut microbiome transfer from the mother to the baby at birth, which lays the foundations of lifelong health. During a vaginal birth, the baby gets covered in the mother’s microbes, and that is a good thing! Those microbes are the first colonizers of the baby’s gut and will form the baby’s microbiome.
References: Turjeman, S., Collado, M. C., Koren, O. The Gut Microbiome in Pregnancy and Pregnancy Complications. Curr. Opin. Endocrine. Metab. Res. (2021); Yao Y., Cai X., Chen C., Fang H., Zhao Y., Fei W., Chen F. & Zheng C.. The Role of Microbiomes in Pregnant Women and Offspring: Research Progress of Recent Years. Front. Pharmacol. (2020).
The microbiome we have in the first years of life has a major influence on our development and on our long-term health . In fact, scientists have found that imbalances in the early-life gut microbiome predisposes children to diseases in early and later life. Such imbalances are associated to colic, asthma, eczema, diabetes, allergic diseases, obesity, cardiovascular diseases, and neurological disorders.
Gut microbes and lifestyle in the first 1000 days of life are particularly important because the foundations of metabolism, immune system and brain health develop in this critical time window.
References: Linehan, K., Dempsey, E., Ryan, A. C., Ross, R., Stanton, C. First encounters of the microbial kind: perinatal factors direct infant gut microbiome establishment. Microbiome Research Reports (2022); Sarkar, A., Yoo, J.Y., Valeria Ozorio Dutra, S., Morgan, K.H., Groer, M. The Association between Early-Life Gut Microbiota and Long-Term Health and Diseases. J Clin Med. (2021); Robertson, Ruairi, C., Manges, A., Finlay, B., Prendergast, A. The Human Microbiome and Child Growth – First 1000 Days and Beyond. Trends in Microbiology (2019).
From a stool sample , we are able to collect the DNA of all gut microbes . From their DNA we can tell exactly which bacteria are present and what they are doing in your gut.
We analyze bacterial DNA only and we do not analyze your own DNA!
In children, it depends on the age. The baby's microbiome is constantly evolving from birth to adulthood, so monitoring its trajectory and development over time is even more informative than looking at only one snapshot.
From one microbiome test, you will discover:
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Share of friendly bacteria , promoting healthy development
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Share of unfriendly bacteria , as some types of bacteria are known to be unfriendly when in large share, being able to cause infections and inhibit friendly bacteria
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Gut microbiome development , as the rate at which the microbiome matures is important for growth
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Share of bacteria protective to the immune system
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Share of bacteria producing important metabolites such as butyrate
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Ability to maintain a healthy gut barrier function
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Ability to metabolize vitamins, proteins and lipids
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Associations to crying, fussing, and BMI later in life.
Most importantly, you will receive a set of personalized recommendations covering diet, personal care products, environmental exposure and supplements (if needed) reviewed by our medical experts and discussed with you in a 1:1 consultation with a certified Nutrition & Health Coach.
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References: Stewart CJ, Ajami NJ, O'Brien JL, Hutchinson DS, Smith DP, Wong MC, Ross MC, Lloyd RE, Doddapaneni H, Metcalf GA, Muzny D, Gibbs RA, Vatanen T, Huttenhower C, Xavier RJ, Rewers M, Hagopian W, Toppari J, Ziegler AG, She JX, Akolkar B, Lernmark A, Hyoty H, Vehik K, Krischer JP, Petrosino JF. Temporal development of the gut microbiome in early childhood from the TEDDY study. Nature (2018);
Yes! The microbiome is dynamic and we can influence it with relatively simple and low-risk lifestyle changes . The microbiome is a very small community of microorganisms at birth and it develops massively in the first years of life . Over the years, the microbiome "settles" on a unique composition that we will maintain throughout adulthood (although it is possible to change our microbiome as adults too!).
Factors that affect the baby's gut microbiome (and that can be changed) are:
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Mother's diet during pregnancy
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Mother's gut microbiome at birth
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Type of birth (vaginal /C-section, at home / in hospital, medicated, etc.)
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Breastfeeding and breast milk composition
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Duration of breastfeeding
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Mother's diet while breastfeeding
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Infant formula and type of infant formula (if used)
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Use of antibiotics and type of antibiotic used
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Use of other medications
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Evidence-backed probiotics
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Evidence-backed prebiotics and fibers
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Vitamin D and other supplements
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Baby's diet (especially quantity and diversity fibers)
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Timing of weaning
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Exposure to nature and furry pets
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Home environment
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Exposure to household cleaning and personal care products
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Exposure to anti-microbial products e.g., hand sanitizers
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Exercise and movement
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Viral infections
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Stress
References: Wong, E., Lui, K., Day, A., Leach, S. Manipulating the Neonatal Gut Microbiome: Current Understanding and Future Perspectives. Archives of Disease in Childhood - Fetal and Neonatal Edition (2022). Derrien, M., Alvarez, AS., De Vos, W. The Gut Microbiota in the First Decade of Life. Trends in Microbiology (2019).
It depends on your individual situation and on your latest results. We stand for personalised recommendations and support , and part of our service is to guide you to take the most informed decision for your family's health.
Each time you test with us, you will have a 1:1 consultation with a certified Nutrition & Health Coach , who will recommend the best path for you.
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