Breastmilk: Your Baby’s First Shield Against Infections

Breast milk is one of the best gifts a mother can give her baby. It has the right mix of vitamins, proteins, and fats that support healthy growth. Babies can digest breast milk easily, and it provides strong immune protection through its rich supply of antibodies.

What Is Breast Milk Made Of?

Breast milk contains proteins, fats, sugars, and special cells that fight infection. It is also full of antibodies, white blood cells, lactoferrin, lysozyme, probiotics, prebiotics, and human milk oligosaccharides. All these elements work together to protect your baby from infections and support healthy development.

Colostrum, the first milk produced after birth, is even richer in antibodies. It gives newborns strong protection during their first few days of life.

Breast milk also contains helpful immune proteins like interleukin-6, interleukin-8, and interleukin-10. These proteins help control inflammation and support a balanced immune response. Breast milk also gives natural probiotics that help develop a healthy gut microbiome, which is essential for a strong immune system.

How Does Breast Milk Protect Newborns?

When you come into contact with germs, your body produces antibodies to fight them. These antibodies pass into your breast milk and reach your baby. This protects your baby from the same infections you are exposed to.

Breast milk also contains IgA, an antibody that coats the baby’s mouth, stomach, intestines, and lungs. IgA is not broken down by digestion. Instead, it forms a protective layer inside the baby’s body and blocks harmful germs.

Breastfeeding supports the baby’s immune system in other ways too. The infection-fighting elements in breast milk start working even before the nutrients are digested. They help the baby’s immune system learn how to fight illness more effectively.

Breastfeeding and Protection From Enteric (Gut) Infections

Research shows that babies who are fully breastfed for longer periods have a lower chance of developing infections caused by bacteria like E. coli, Campylobacter, and Shigella. Full breastfeeding also delays the first detection of viral infections such as rotavirus, adenovirus, and astrovirus.

Delaying these infections is important because many of these germs affect gut health and can slow down growth in early childhood. Exclusive breastfeeding for the first six months helps reduce these risks and supports better growth.

Common Infections Prevented by Breastfeeding

Breastfed babies have a lower chance of experiencing:

• Stomach infections
• Ear infections
• Viral and bacterial infections
• Asthma
• Allergies
• Respiratory illnesses
• Vomiting and diarrhoea
• Pneumonia
• Urinary tract infections
• Some forms of meningitis

Breastfeeding for more than six months also lowers the risk of childhood leukaemia and lymphoma.

Breastfeeding also lowers the chances of Sudden Infant Death Syndrome (SIDS). As they grow older, they are less likely to develop:

• Diabetes
• Obesity
• Certain types of cancers

Benefits for Mothers

Breastfeeding is healthy for mothers, too. It helps them:

• Return to pre-pregnancy weight
• Lower a mother’s chances of developing breast and ovarian cancer
• Cut down the chances of stroke and heart disease

Why Breastfeeding Matters

Breast milk is nature’s way of giving every child a strong start in life. It protects against infections today and supports better health in the future.

With the right guidance, most mothers can breastfeed successfully. If you face difficulties, speak to your doctor or lactation counsellor.

Dr. Rela Hospital is a certified “Baby Friendly” Hospital. Our doctors, nutritionists, and lactation experts provide complete support to mothers and newborns.