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Mothers of New Babies and Toddlers

Breastfeeding

Physical Activity

You can slowly begin or gradually resume physical activities when you are breastfeeding. Make sure to wear a proper support bra and to breastfeed BEFORE you do physical activities.

 

Did you know? The level of nutrients (energy, protein, carbohydrate, and fats) as well as the level of minerals (calcium, magnesium, sodium, and potassium) in breast milk stay the same whether you are physically active or not during the months after giving birth. So, there is no reason to think your breast milk will suffer if you are physically active during the months you breastfeed your baby.

 

Moderate physical activity will not change the amount of breast milk you produce or the nutrient and mineral levels in your breast milk.

 

Intense levels of physical activity (see "strong" on the Borg RPE scale) may increase the level of lactic acid in breast milk. Your hungry baby is not likely to refuse your breast milk, nor will a bit of lactic acid put your baby at nutritional risk! If you are concerned about this, do your physical activities after you have breastfed (it will also be more comfortable for your breasts).

 

Breastfeeding and physical activities place big energy demands on your body. Visit the food and fluid servings for breastfeeding Mothers in Motion to find out if you are eating and drinking enough.