How to Increase Breast Milk Supply During Pregnancy

Posted on February 03, 2026

Introduction
Understanding the Foundations of Milk Production
The Role of Prenatal Education and Support
Nutrition: Fueling the "Milk Factory"
Hydration: The Foundation of Fluid Production
Hand Expression and Colostrum Harvesting
Identifying Potential Medical Hurdles
Preparing Your Physical Environment
The "Golden Hour" and the First Few Days
When to Consider Herbal Supplements
Realistic Expectations and Mental Health
Signs Your Supply is Increasing and Your Baby is Fed
Conclusion
FAQ

Introduction

Did you know that your body begins the incredible process of making milk as early as the midpoint of your pregnancy? It is a common misconception that lactation only "turns on" the moment your baby is born. In reality, by the time you reach your second trimester, your breasts are already hard at work developing the complex system of ducts and alveoli needed to nourish your little one. For many expectant parents, the desire to ensure a robust milk supply starts long before the first latch. You might be wondering if there are specific steps you can take right now—while you are still picking out nursery colors and picking names—to ensure your body is ready to produce every drop your baby needs.

The journey to a healthy milk supply is one of the most common concerns we hear from our community. It is perfectly normal to feel a mix of excitement and anxiety about whether your body will "do its job." We are here to tell you that while breastfeeding is a natural process, it is also a learned skill that benefits greatly from preparation. In this guide, we will explore the science of how your body prepares for lactation, the safe ways to encourage colostrum production in your final weeks, the vital role of nutrition and hydration, and how to build a support system that protects your peace of mind. Our goal is to empower you with evidence-based strategies so that when your baby arrives, you feel confident, prepared, and supported.

By understanding the physiological foundations of milk production and implementing proactive steps during pregnancy, you can significantly influence your breastfeeding success and set the stage for a thriving lactation journey.

Understanding the Foundations of Milk Production

Before we dive into the "how-to," it is helpful to understand the "how." Lactation happens in stages, and the stage you are in during pregnancy is known as Lactogenesis I. This is the period when your breasts develop the capacity to secrete milk.

Around week 16 to 22 of pregnancy, your body begins producing colostrum, often referred to as "liquid gold." This thick, concentrated milk is packed with antibodies and nutrients perfectly suited for a newborn’s tiny stomach. Even if you don’t see any leaking, your body is making it. The high levels of progesterone produced by the placenta actually keep the "floodgates" closed, preventing full milk production until after the baby is born and the placenta is delivered.

Knowing this can take some of the pressure off. You aren't necessarily trying to "make" liters of milk while pregnant; instead, you are preparing the "machinery" and ensuring your body has the raw materials it needs to hit the ground running once those progesterone levels drop after birth.

The Role of Prenatal Education and Support

One of the most effective ways to increase your chances of a strong milk supply is to invest in education before the baby arrives. We often say that breastfeeding is natural, but it doesn't always come naturally. It is a relationship between two people who are both learning a new skill at the same time.

Taking a Breastfeeding Class

Knowledge truly is power. When you understand what a "good latch" looks like or how many wet diapers to expect, you are less likely to experience the stress that can hinder milk let-down. We highly recommend enrolling in online breastfeeding classes early in your third trimester. Our Breastfeeding 101 course is designed to give you the practical, real-world tools you need to feel ready from day one.

Finding Your Support System

Stress is the number one enemy of milk supply. When you are stressed, your body produces cortisol, which can interfere with oxytocin—the hormone responsible for the milk ejection reflex (let-down). Part of your "supply preparation" should involve setting up a support system that handles the "everything else" so you can focus on the "everything baby."

This means talking to your partner, family, or friends about how they can help with:

Meal preparation and grocery shopping.
Household chores and laundry.
Caring for older siblings.
Protecting your sleep by handling non-feeding baby needs.

We also invite you to join The Official Milky Mama Lactation Support Group on Facebook. Having a community of mamas who are in the same boat can be incredibly validating and reduces the isolation that often leads to stress.

Nutrition: Fueling the "Milk Factory"

Your body requires a significant amount of energy to grow a human and prepare for lactation. While you are pregnant, your nutritional choices are laying the groundwork for the quality and quantity of the milk you will soon produce.

Caloric Intake and Protein

During the later stages of pregnancy and into breastfeeding, your caloric needs increase. We suggest focusing on nutrient-dense foods rather than just "eating for two." Protein is particularly vital. Aim for an extra serving of high-quality protein each day—think lean meats, beans, lentils, or Greek yogurt. This provides the amino acids necessary for the development of breast tissue and the production of colostrum.

Complex Carbohydrates and Oats

Oats are a legendary "galactagogue" (a substance that promotes milk supply) for a reason. They are rich in iron and beta-glucan. Low iron levels are a known contributor to low milk supply, so including iron-rich foods like oats, spinach, and legumes during pregnancy is a smart move.

If you want a delicious way to incorporate these into your routine, our Oatmeal Chocolate Chip Cookies or classic Oatmeal Cookies are a fan favorite. They aren't just for after the baby arrives; they are a nourishing snack for any stage of the journey. You can browse our full Lactation Treats Collection to find the flavors that appeal to you most.

Healthy Fats

The quality of fats in your diet can influence the fatty acid composition of your milk. Incorporating avocados, nuts, seeds, and fatty fish (keeping mercury levels in mind) is beneficial. Many experts recommend 200-300 mg of DHA daily during pregnancy to support the baby’s brain development and prepare your body for the demands of nursing.

Hydration: The Foundation of Fluid Production

Breast milk is approximately 87% water. If you are dehydrated, your body will prioritize your own vital functions over milk production. Getting into a good hydration habit during pregnancy is one of the easiest ways to support your future supply.

While plain water is essential, many mamas find it difficult to drink enough throughout the day, especially when dealing with pregnancy heartburn or a squished bladder. This is where electrolyte-rich, lactation-supporting drinks come in.

We created our Lactation Drink Mixes to be both refreshing and functional. Our Pumpin Punch™ and Milky Melon™ provide hydration along with ingredients designed to support the endocrine system. If you aren't sure which flavor you'll love, our Drink Sampler is a great way to try them all.

Note: This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.

Hand Expression and Colostrum Harvesting

In the final weeks of pregnancy (usually starting around week 36 or 37, and only with the approval of your healthcare provider), some mamas choose to practice hand expression. This is often called "colostrum harvesting."

Why Harvest Colostrum?

The goal isn't to fill bottles, but rather to collect small amounts of that "liquid gold" in sterile oral syringes. This can be stored in the freezer and brought to the hospital. It is especially helpful if:

You have a history of gestational diabetes (babies of diabetic mamas may need extra glucose support after birth).
You are scheduled for a C-section (which can sometimes delay the transition to mature milk).
You simply want the peace of mind of having a "backup" if the initial latching is difficult.

How to Do It

Hand expression involves using your hands to gently compress the breast tissue. It is a skill that takes practice.

Wash your hands and find a comfortable, quiet place.
Use a warm compress on your breasts for a few minutes to encourage flow.
Place your thumb and fingers in a "C" shape around the areola.
Press back toward your chest, then gently compress your fingers together (without sliding them over the skin).
Collect any drops that appear in a clean container or syringe.

Important Safety Note: Nipple stimulation can sometimes trigger uterine contractions due to the release of oxytocin. This is why it is vital to wait until you are full-term and have discussed it with your OB-GYN or midwife. If you feel any cramping, stop immediately.

Identifying Potential Medical Hurdles

Sometimes, despite your best efforts, certain medical conditions can make increasing milk supply more challenging. Identifying these during pregnancy allows you to create a plan with a virtual lactation consultation before the baby even arrives.

Polycystic Ovary Syndrome (PCOS)

PCOS can affect the hormonal balance required for the growth of milk-producing tissue. If you have PCOS, being proactive with herbal support and early, frequent pumping can make a huge difference.

Diabetes (Type 1, Type 2, or Gestational)

Insulin plays a role in milk production. If your insulin levels are not well-managed, it can cause a delay in your milk "coming in" (the transition from colostrum to mature milk).

Thyroid Issues

Both hyperthyroidism and hypothyroidism can impact supply. Ensuring your thyroid levels are optimized during pregnancy is a key step in lactation prep.

Previous Breast Surgery

If you have had a breast reduction or augmentation, the underlying milk ducts or nerves may have been affected. This doesn't mean you cannot breastfeed, but it does mean you might benefit from a specialized plan and products like our Lady Leche™ or Dairy Duchess™ once the baby is here.

Note: These products are not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.

Preparing Your Physical Environment

Part of increasing your future supply is ensuring that breastfeeding is as convenient as possible. If it is hard to get to your supplies or you are uncomfortable, you are less likely to nurse as frequently as your baby needs.

The "Nursing Station"

Create a comfortable spot in your home with:

A supportive chair and nursing pillow.
A side table for your water bottle and snacks (like our Salted Caramel Cookies).
A long phone charging cord.
Burp cloths and extra breast pads.

Getting the Right Pump

Most insurance plans cover a breast pump. Research your options during your third trimester. While you won't typically need to pump in the first few days (unless there is a medical necessity), having it ready, clean, and having the correct flange size is essential. A flange that is too small or too large can actually damage breast tissue and lead to a decrease in supply over time.

The "Golden Hour" and the First Few Days

Once the baby arrives, the "how-to" of increasing supply shifts into high gear. The first few hours and days are critical for "calibrating" your milk production.

Skin-to-Skin Contact

Immediately after birth, placing your baby skin-to-skin (kangaroo care) is one of the most powerful triggers for milk production. It signals your brain to release the oxytocin and prolactin needed to start the milk-making process. Aim for at least 60 minutes of uninterrupted skin-to-skin contact right after delivery.

Frequent Feeding (Supply and Demand)

The golden rule of lactation is: Milk removal equals milk production. The more often you remove milk (either through nursing or pumping), the more milk your body will make. In the beginning, this means feeding at least 8 to 12 times in a 24-hour period. Do not wait for the baby to cry; look for early hunger cues like rooting, sucking on hands, or smacking lips.

The Power of "Every Drop Counts"

In the beginning, you might only see a few teaspoons of colostrum. It is easy to feel discouraged, but remember: your baby’s stomach is only the size of a marble on day one! Every drop of colostrum is a powerhouse of immunity. You are doing an amazing job, and your body was literally created to feed your human baby.

When to Consider Herbal Supplements

Many mamas find that they want an extra boost to help their supply along, especially during growth spurts or when returning to work. While we never recommend starting herbal supplements without consulting your provider, it is helpful to know what options are available.

At Milky Mama, we specialize in herbal blends that are free from common irritants.

Pumping Queen™: Designed for mamas who want to maximize their output during pumping sessions.
Milk Goddess™: A potent blend to support overall milk volume.
Pump Hero™: Specifically formulated to support the let-down reflex and milk flow.

If you are looking for a comprehensive approach, our Herbal Lactation Supplements Collection offers various formulations to meet different needs.

Note: This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.

Realistic Expectations and Mental Health

We cannot talk about increasing supply without talking about the mama behind the milk. Your well-being matters just as much as the baby's.

"Stress is the No. 1 killer of breastmilk supply, especially in the first few weeks after delivery. Between lack of sleep and adjusting to the baby’s schedule, rising levels of certain hormones such as cortisol can dramatically reduce your milk supply."

If you find yourself obsessing over every ounce or feeling overwhelmed by the pressure to produce, please reach out for help. A low supply is often a symptom of a larger issue—like a baby's poor latch or a mama's extreme exhaustion—rather than a "failure" of the body.

If nursing is causing you significant pain or mental distress, that is a sign to contact an International Board Certified Lactation Consultant (IBCLC). We offer virtual lactation consultations to provide you with a personalized plan that honors your goals and your mental health.

Signs Your Supply is Increasing and Your Baby is Fed

How do you know if all your hard work is paying off? Look at the baby, not just the pump.

Wet Diapers: By day 4, you should see at least 6 heavy, wet diapers in 24 hours.
Stool Color: The stool should transition from black/tarry (meconium) to green, and then to yellow and seedy by day 5.
Swallowing: You should be able to hear or see the baby swallowing during a feed.
Weight Gain: Most babies lose a little weight initially but should be back to their birth weight by 10 to 14 days.
Breast Feel: Your breasts should feel softer and lighter after a feeding session.

If your baby is gaining weight and meeting diaper counts, your supply is likely right where it needs to be!

Conclusion

Increasing your breast milk supply during pregnancy is really about building a solid foundation. It is about nourishing your body with high-quality protein and complex carbs, staying ahead of the hydration curve with Lactation LeMOOnade™, and educating yourself so you can advocate for your breastfeeding goals in the hospital and beyond.

Remember, every breastfeeding journey is unique. Some mamas leak milk at 20 weeks, while others never see a drop until after birth—and both can go on to have a full, robust supply. You don’t have to do this alone. Whether you need a quick snack like our bestseller Emergency Brownies to keep your calories up, or a deep dive into Breastfeeding 101, we are here to support you every step of the way.

You’re doing an amazing job, Mama. Trust your body, seek support early, and remember: every drop counts.

FAQ

1. Can I start taking lactation supplements while I am still pregnant? It is generally recommended to wait until after your baby is born to start lactation supplements. During pregnancy, your hormones (specifically progesterone) are naturally keeping your milk supply in "prep mode." Taking supplements too early is usually unnecessary and should only be done under the direct supervision of your healthcare provider. Instead, focus on prenatal nutrition and hydration.

2. I'm not leaking at all during my third trimester. Does this mean I will have a low supply? Not at all! Leaking during pregnancy is not an indicator of future milk production. Many mamas with an oversupply never leaked a drop during pregnancy, and some mamas who leak extensively have a standard supply. Your body is making colostrum internally regardless of whether it leaks out.

3. Is it safe to use a breast pump before the baby is born to "practice"? We do not recommend using an electric breast pump before birth unless specifically instructed by your doctor for a medical reason. Pumping can cause significant nipple stimulation, which may trigger oxytocin release and lead to uterine contractions or preterm labor. If you want to practice milk removal, discuss hand expression with your provider once you reach 37 weeks.

4. How much water should I really be drinking to help my future supply? A good rule of thumb is to drink to thirst. For most pregnant and lactating mamas, this means roughly 80–100 ounces of total fluids per day. A helpful tip is to have a glass of water or a Milky Mama lactation drink every time you sit down to rest or nurse. If your urine is pale yellow, you are likely well-hydrated.

Are you ready to feel confident in your breastfeeding journey? Explore our Lactation Treats for a delicious boost, or book a Virtual Consultation with one of our experts today. Don't forget to follow us on Instagram for daily tips, encouragement, and a community that truly gets it. We can't wait to support you and your little one!

Disclaimer: This information is for educational purposes only and is not intended as medical advice. These statements have not been evaluated by the Food and Drug Administration. Our products are not intended to diagnose, treat, cure, or prevent any disease. Always consult with your healthcare provider or a certified lactation consultant before starting any new supplement or if you have concerns about your health or your baby's health.

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