Your Newborn’s Stomach Size

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Instagram is Great… 
But sometimes important posts get lost on there, so this informative IG micro-series has become a blog!


On day 1 of life, your baby doesn’t need much food. It’s tiny tummy can only hold about 5-7ml or 1-1.4 teaspoons at a time. As babies get older, their need for larger volumes of milk will increase, and breastmilk supply will follow. All of this to say, DON’T STRESS about the seemingly measly drops of colostrum you produce on day 1. It’s all your baby needs!!

During the first week your little one changes a lot as they adjust to life outside your uterus. By day 7 your little ones tummy can now hold a whopping 1-2 oz (30-59ml) per feed, with their stomach being about the size of a small apricot. Baby’s small frequent feeds early in life are working hard to help establish breastmilk production. Thankfully, by this time most mom’s milk will be in, and they will be producing roughly 10-19 oz per day. Aren’t our bodies wonderful??

On average, babies eat 8-12 times in a 24 hour periodThe Mama Coach

Your baby’s tummy is still doing some growing! By the 2-3 week mark they’ll be drinking 2-3 oz per feed, and your daily milk supply continues to grow with baby. By now, you’ll be producing an average of 20-25 oz per day. 


You know what is surprising?? By one month old, your baby will be drinking the same amount of milk per day as they will need for the first 6 months!! Yep, you read that right. 3-4 oz per feed, or 25-35 oz per day is what your baby needs between 1 month, and 6 months when they’ll start eating solids. They’re stomach at this point is the size of a large chicken egg. 

All too often, new mom’s reach out to me asking how much their baby should be eating, and concerned that they don’t have the milk production to satiate their little one. Knowing the cold, hard facts on what your little one really needs to eat can help end mom-guilt, and help you feel confident in your body’s ability to provide what your little one needs for food. Our bodies are SO amazing. We need to give some of that trust back to our bodies and our babies, and believe that they DO know what they’re doing. 

You got this Mama!

About the Author
Maddie Amyotte

Maddie Amyotte

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My name is Maddie and I am a Registered Nurse, lactation counsellor, sleep coach, and Mama to one feisty toddler. Working with babies and children has been a passion of mine for as long as I can remember. Nothing makes me happier than helping families reach their goals, no matter what they be!

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