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Breastmilk Production

Learn how your body produces milk for your baby. 

July 1, 2025
Young mom nurses her newborn baby.

Breastfeeding is a beautiful journey! Knowing a bit about how it works can make it even more rewarding. Here’s a friendly guide to help you along the way. 

The Basics of Breast Anatomy

Your breasts are amazing! They’re made up of connective and fatty tissues that support milk production. Milk is created in small clusters of cells called alveoli and travels down ducts to the nipples. The size of your breasts doesn’t affect your ability to breastfeed — it’s all about supply and demand. The more you nurse, the more milk you produce. 

How Your Body Supports Breastfeeding

During pregnancy, your nipples and areola (the dark area around the nipple) enlarge and darken, helping your baby latch on. The small bumps on the areola, called Montgomery glands, produce a natural oil that cleans and protects the nipple. When your baby nurses, their jaw and tongue create suction, drawing milk from your breast. 

The Let-Down Reflex

When your baby suckles, it triggers the release of hormones prolactin and oxytocin. Prolactin helps produce milk, while oxytocin causes the milk to flow. You might feel a tingling sensation or notice milk dripping from the opposite breast. This reflex can also be triggered by thinking about your baby or hearing them cry. 

Creating a Supportive Nursing Environment

Find a peaceful spot for nursing. Unplug the phone, play some relaxing music and take deep breaths. If you’re uncomfortable breastfeeding in public, use a light cover for privacy. Surround yourself with supportive friends and professionals, and don’t hesitate to seek help from lactation consultants or support groups. 
 

Your Milk: Colostrum and Mature Milk 

Colostrum, the early milk, is packed with nutrients and antibodies. It’s thick, yellow, and perfect for your newborn’s tiny stomach. Mature milk comes in a few days after birth, starting with foremilk, which quenches your baby’s thirst, followed by hind-milk, which is rich and satisfying. 

The Family's Role

Your family can play a big part in your breastfeeding journey. They can help with household tasks, allowing you to rest and focus on your baby. Emotional support from your partner, family and friends is crucial. Remember, you’re not alone — there are many resources and people ready to help you succeed.

Breastfeeding is a special time for you and your baby. Embrace the journey, seek support when needed and enjoy the precious moments together.  

Find Help With Breastfeeding

Our lactation consultants and support services are ready when you have questions or need advice.

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