Why C-section toddlers may need stronger gut and immunity support: 4 Ways to help

In Singapore, C-section delivery have become increasingly common, with 4 out of 10 children being delivered by C-section ^[1].  

If you have a C-section toddler, this article explains how C-section delivery may influence gut microbiome development and what Singapore parents can do to support their child’s immunity and overall wellbeing. 

How can a C-section affect toddler gut health and immunity? 

The gut microbiome is the community of microorganisms living in your child’s digestive system. These microorganisms support gut health and play an important role in the development of the immune system. 

How children are born can influence the early development of their gut microbiome. Compared with children born vaginally, C-section-born children may have different patterns of gut bacteria, including lower levels of bacteria such as Bifidobacteria and Bacteroides in early life ^[2]. Some of these differences can persist beyond the first year ^[3]. 

This matters as your toddler grows and starts spending more time around other children in preschool and spends more time around other children. 

While getting sick from time to time is a normal part of growing up, frequent illnesses can mean missing school and valuable opportunities to learn. A mom from our community shared that her toddler “catches every bug going around preschool”. 

While a C-section is only one factor influencing your child’s health, understanding that their gut microbiome may have started out differently highlights an opportunity to support their gut health and developing immunity through everyday nutrition and healthy habits. 

Can gut health affect a child’s brain development too? 

Gut health is not only about digestion and immunity. It is also linked to your child’s developing brain. 

Researchers are increasingly studying the gut-brain axis, which describes the two-way communication between the digestive system and the brain. Early research has found associations between the gut microbiome and aspects of cognitive development ^[3][4]. 

This highlights why supporting a healthy gut can be an important part of supporting your child’s overall growth and development. 

How can you support a C-section toddler’s gut health? 

The good news is that your child’s C-section delivery does not determine their long-term health. There are practical ways to support C-section child immunity and gut health as they grow. 

1. Offer a varied, balanced diet 

Toddlers benefit from a varied diet containing vegetables, fruits, whole grains, protein-rich foods and other nutrient-dense options appropriate for their age. 

A variety of foods also expose the gut microbiome to different types of nutrients and dietary fibres. You do not need to make every meal perfect. Aim for variety across the week instead. 

2. Include foods that support good bacteria growth in the gut 

When parents search for “stronger immunity for children”, they may also come across prebiotics. Prebiotics are types of dietary fibre that help feed beneficial bacteria in the gut, for them to grow stronger. 

Foods such as fruits, vegetables, wholegrains and legumes are natural sources of prebiotic fibre. Including a variety of these foods in your toddler’s diet can help support a healthy gut environment as they grow. 

3. Prioritise sleep, movement and everyday hygiene

Gut health is only one part of a child’s developing immune system. 

A regular sleep routine, plenty of physical activity and good hygiene habits can all support your toddler’s overall wellbeing. And while it is tempting to avoid every germ, normal exposure to everyday environments is part of growing up. 

4. Keep vaccinations and routine healthcare on track

Vaccination remains an important part of protecting children from preventable infections. Regular health checks can also help you discuss concerns such as frequent infections, poor appetite, or concerns about growth. 

If your toddler seems unusually unwell or their symptoms are persistent, speak with their pediatrician rather than assuming it is simply because they were born by C-section. 

The good news is that your toddler’s early gut microbiome is not fixed forever. It continues to develop as they grow, influenced by factors such as diet, environment, and everyday exposure.  

For one mom, a period of frequent illness eventually became easier: her toddler “used to have super low immunity” but with these good habits it is “much better now.” 

Could growing-up milk be suitable for your C-section toddler? 

For some families, growing-up milk for C-section toddlers may be one way to complement an already varied diet, and when choosing one, it can help to consider the overall nutritional profile, including key nutrients that support your child’s needs. 

Enfagrow A+ Pro C-Biome is scientifically formulated for C-section children, with 2x higher 2′-FL, prebiotic inulin, MFGM and DHA.  

Its 2′-FL and prebiotic inulin work together to support beneficial bacteria growth in the gut, which supports stronger immunity. MFGM and DHA support brain development. 

Together, these nutrients provide targeted nutritional support for C-section children as their gut, immune system and brain continue to develop. 

If you are considering a growing-up milk for your child, or have questions about their nutritional needs or immunity, speak with your child’s healthcare professional to find an option that is right for them. 

If you would like to learn more, you can request a sample to see whether it suits your child’s routine. 

Frequently Asked Questions 

1. Do C-section toddlers have weaker immunity? 

C-section delivery can influence the early development of the gut microbiome, which plays an important role in immune development. This is one reason parents may want to pay attention to their C-section toddler’s gut health and immunity.  

2. Does being born by C-section affect a child’s long-term health? 

C-section delivery can influence the early gut microbiome, which may impact a child’s developing immunity. Some birth mode-related differences in the gut microbiome can persist beyond the first year. However, a child’s gut and immune system continue to develop as they grow. Supporting gut health, nutrition and healthy everyday habits can help provide a strong foundation for their overall health and development. 

3. How can I support my C-section toddler’s gut health? 

Offer a varied, balanced diet with age-appropriate fruits, vegetables, wholegrains, legumes and other nutrient-dense foods. These provide dietary fibre, including prebiotic fibre that helps support beneficial gut bacteria. A growing-up milk formulated for C-section children can also provide additional nutritional support for gut health. 

4. What are good bacteria for toddlers? 

“Good bacteria” refers to beneficial microorganisms that live in the gut. Bifidobacteria are one example of beneficial bacteria found in the gut microbiome. Prebiotics, such as those found in certain fruits, vegetables, wholegrains and legumes, help provide food for beneficial gut bacteria. 

5. Can growing-up milk support C-section toddlers? 

Growing-up milk can complement a varied diet and provide additional nutrients as your toddler grows. Enfagrow A+ Pro C-Biome is scientifically formulated for C-section children, with 2× higher 2′-FL, prebiotic inulin, MFGM and DHA for gut, immunity, and brain development.  

References 

1. Chi C, et al. Birth. 2018. 

2. The Impact of Cesarean Section Delivery on Intestinal Microbiota: Mechanisms, Consequences, and Perspectives — A Systematic Review. International Journal of Molecular Sciences, 2024. Accessed 17 August 2026. https://www.mdpi.com/1422-0067/25/2/1055 

3. Microbiome and its impact on fetal and neonatal brain development. Current Opinion in Pediatrics, 2024. Accessed 17 August 2026. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10990016/ 

4. Infant Gut Microbiome Associated With Cognitive Development. Biological Psychiatry, 2017. Accessed 17 August 2026. https://www.sciencedirect.com/science/article/abs/pii/S0006322317317201