Home » Blog » Breastfeeding » What triggers breast milk production after birth?

What triggers breast milk production after birth?

Understanding the Triggers of Breast Milk Production After Birth
Breast milk production is a remarkable physiological process that begins well before the birth of a baby and continues to adapt to the infant’s needs. The transition from pregnancy to lactation is primarily governed by hormonal changes that occur during and after childbirth.
Hormonal Changes Initiate Lactation
The journey of lactation starts during pregnancy when hormonal fluctuations prepare the mammary glands for milk production. Key hormones involved include estrogen and progesterone, which promote the growth and development of breast tissue. However, it is the dramatic drop in progesterone levels that occurs immediately after the placenta is delivered that serves as a crucial trigger for milk production. This hormonal shift signals the mammary glands to begin producing milk, transitioning from the nutrient-rich colostrum produced during late pregnancy to mature breast milk.
The Role of Colostrum
In the first few days after birth, mothers produce colostrum, a thick, yellowish fluid that is packed with nutrients and antibodies essential for the newborn’s immune system. Colostrum is produced in small amounts but is highly concentrated, providing the infant with everything needed for the initial days of life. This early milk is crucial as it helps to establish the infant’s gut flora and provides protection against infections.
The Onset of Mature Milk Production
Typically, around two to four days postpartum, mothers experience what is commonly referred to as “milk coming in.” This phase marks a significant increase in milk volume as the body transitions from producing colostrum to mature milk. During this time, the breasts may feel fuller and firmer, indicating that the supply is adapting to the baby’s feeding needs . The process is largely driven by the infant’s suckling, which stimulates nerve endings in the nipple, sending signals to the brain to release prolactin and oxytocin. Prolactin is responsible for milk production, while oxytocin facilitates the milk ejection reflex, allowing milk to flow to the baby.
Supply and Demand Dynamics
Breast milk production operates on a supply-and-demand basis. The more frequently a baby feeds, the more milk is produced. This dynamic ensures that the mother’s milk supply adjusts to the growing infant’s needs, providing adequate nutrition as the baby develops. If breastfeeding is established successfully, this natural feedback loop helps maintain a healthy milk supply.
In summary, the initiation of breast milk production after birth is a complex interplay of hormonal changes, the production of colostrum, and the ongoing demand from the infant. This intricate system not only nourishes the newborn but also fosters a unique bond between mother and child, highlighting the incredible adaptability of the human body in nurturing new life.

Does leaking breasts mean good milk supply?

You can leak breastmilk for a variety of reasons including having a full supply, or if your body is not yet sure how much to produce, if your mature milk is starting to come in, if you’ve missed a feeding, or even if you are just thinking about your baby.

Does pumping every 2 hours increase milk supply?

Pump more often, from both breasts
Many women wonder how often they should pump. A general guideline is to pump every three hours. But if you’re trying to produce more breast milk, you can: Try pumping both breasts for 15 minutes every two hours for 48-72 hours.

What stimulates milk production after childbirth?

Once estrogen and progesterone levels drop after birth, prolactin takes over breast milk production. Although prolactin is partially inhibited during pregnancy, it still has an important role to play during this period—stimulating the development of glandular tissue, where breast milk will later be produced.

How did wet nurses produce milk?

A woman can only act as a wet nurse if she is lactating (producing milk). It was once believed that a wet nurse must have recently undergone childbirth in order to lactate. This is not necessarily the case, as regular breast stimulation can elicit lactation via a neural reflex of prolactin production and secretion.

What triggers breasts to produce milk?

When your baby suckles, it sends a message to your brain. The brain then signals the hormones, prolactin and oxytocin to be released. Prolactin causes the alveoli to begin making milk. Oxytocin causes muscles around the alveoli to squeeze milk out through the milk ducts.

Do soft breasts mean low milk supply?

You do not have low milk supply because your breasts feel softer than they used to. The excessive fullness we experience in the early days of breastfeeding is about vascular engorgement (blood and lymph) and it’s about the body inefficiently storing unnecessary amounts of milk between feeds.

What is the 5 5 5 rule for breast milk?

Something I recommend to moms is the 5-5-5 rule. Try and use milk within five hours at room temperature, five days in the fridge, and by five months in the freezer.

When is it too late to increase milk supply?

NO, it is NEVER too late! 🚫⏰ With the right pump, flange, and schedule, you can absolutely increase your milk supply at any stage of your pumping journey.

How can I trigger more milk production?

Pumping or expressing milk frequently between nursing sessions, and consistently when you’re away from your baby, can help build your milk supply. Relax and massage. Relax, hold your baby skin-to-skin, and massage your breasts before feeding to encourage your milk to let down.

How long should I be in bed rest after giving birth?

It can also help you recover safely to avoid postpartum injuries and reduce your risk of things like postpartum depression, anxiety, clogged milk ducts and mastitis. The basics of the rule consists of 5 days in bed, 5 days on the bed and 5 days around the bed.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

Leave a Comment