How to Increase Milk Supply When Pregnant

Posted on February 23, 2026

Introduction
The Science of Pregnancy and Lactation
Is It Safe to Breastfeed While Pregnant?
Why Milk Supply Often Dips During Pregnancy
Practical Strategies: How to Support Your Milk Supply
The Reality of "Dry Nursing"
Preparing for Tandem Nursing
Milky Mama's Role in Your Journey
When Weaning is the Right Choice
Frequently Asked Questions (FAQs)
Conclusion

Introduction

Imagine this: You are sitting on the bathroom floor, staring at two pink lines on a pregnancy test. Your heart is racing with excitement, a little bit of "how will I do this?" nerves, and a sudden, sharp realization. Your toddler is currently napping, but just an hour ago, they were happily nursing to sleep. Suddenly, a wave of questions floods your mind. Is it safe to keep breastfeeding? Will my milk dry up? How can I possibly nourish a growing baby inside me while still providing for the little one in my arms?

If you are navigating the unique journey of being pregnant while breastfeeding, you are not alone. At Milky Mama, we hear from parents every day who are balancing the nutritional needs of a "trio"—themselves, their nursing child, and their unborn baby. This is a beautiful, albeit physically demanding, season of life. Whether you want to continue nursing through your entire pregnancy or you are just looking for ways to maintain your supply for a few more months, we are here to support you with evidence-based information and a whole lot of love.

In this post, we will dive deep into the science of how pregnancy affects lactation, explore the safety of nursing while expecting, and provide practical, compassionate strategies on how to increase milk supply when pregnant—or at least, how to support your body through the hormonal shifts that make supply-building a bit more complicated. We will cover everything from nutritional requirements and managing nipple sensitivity to the eventual transition to tandem nursing.

Our mission is to empower you with the tools you need to make the best decision for your family. Because at the end of the day, every drop counts, and so does your well-being.

The Science of Pregnancy and Lactation

To understand how to manage your milk supply during pregnancy, we first have to look at what is happening inside your body. Breasts were literally created to feed human babies, and they are incredibly responsive to the hormonal signals your body sends out. However, when you become pregnant, your body receives a new set of instructions.

The Role of Hormones

In a typical breastfeeding journey, your milk supply is driven by "supply and demand." The more milk is removed by your baby or a pump, the more milk your body makes. However, during pregnancy, this feedback loop is often overridden by hormones—specifically estrogen and progesterone.

Starting as early as the first trimester, your levels of progesterone begin to climb significantly. While this hormone is essential for maintaining a healthy pregnancy, it acts as a "lactation inhibitor." This is the same reason your milk doesn't typically come in until after the placenta (the main source of progesterone) is delivered following birth. During pregnancy, these high hormone levels often lead to a natural decline in milk volume, regardless of how often you nurse or pump.

The Transition to Colostrum

Around the fourth or fifth month of pregnancy, your body begins to shift its focus. It starts preparing for the new arrival by producing colostrum—that liquid gold that is high in protein, antibodies, and immunological benefits.

During this time, your milk composition changes. It becomes saltier and less sweet. You might notice your toddler making faces or even pulling away because the flavor has shifted. This transition is entirely natural, and while it might result in a lower volume of milk, the milk that remains is incredibly nutrient-dense. Fun fact: your toddler is actually getting a "booster shot" of antibodies from the colostrum you are producing for the new baby!

Is It Safe to Breastfeed While Pregnant?

One of the most common concerns parents have is whether breastfeeding will "take away" nutrients from the developing fetus or cause early labor.

Debunking the Contraction Myth

The primary worry usually centers around oxytocin. Oxytocin is the hormone responsible for the "let-down" reflex during breastfeeding, but it is also the hormone that causes uterine contractions. However, for a healthy, low-risk pregnancy, breastfeeding is generally considered very safe.

Nature has built-in safeguards. The uterus does not typically develop a high number of oxytocin receptors until late in the third trimester. This means that the small amounts of oxytocin released during a nursing session are unlikely to trigger preterm labor in a healthy pregnancy. To put it in perspective, the amount of oxytocin released during nipple stimulation while nursing is often similar to the amount released during sexual intercourse—which is also considered safe for most pregnant people.

When to Use Caution

While most can safely continue their journey, there are specific circumstances where your healthcare provider might suggest weaning or reducing sessions. These include:

A history of preterm labor or premature birth.
Carrying multiples (twins, triplets, etc.).
Experiencing unexplained uterine pain or vaginal bleeding.
If your provider has advised you to abstain from sexual activity for medical reasons.

Always consult with your healthcare provider or a virtual lactation consultation to discuss your specific medical history.

Why Milk Supply Often Dips During Pregnancy

If you notice your supply dropping despite your best efforts, please don't be discouraged. You’re doing an amazing job, and this dip is usually out of your control. For about 70% of nursing parents, a significant decrease in supply occurs by the middle of the second trimester.

The reasons are three-fold:

Hormonal Interference: As mentioned, progesterone suppresses the production of milk.
Nutritional Diversion: Your body is prioritizing the growth of a new human being. The energy required to build a placenta and grow a baby is immense.
Physical Discomfort: Many parents naturally reduce the length of nursing sessions because of nipple soreness or "nursing aversion" (that restless, "get off me" feeling that can occur due to hormonal changes).

It is important to remember that during pregnancy, the "demand" part of the "supply and demand" equation doesn't work quite the same way. You can pump for hours, but if the progesterone levels are high, your body may simply not be able to produce the same volume as before.

Practical Strategies: How to Support Your Milk Supply

Even though hormones play the lead role, there are several things we can do to support our bodies and maintain as much supply as possible. Here is how you can proactively manage your lactation while expecting.

1. Optimize Your Nutrition

Nourishing yourself is the foundation. When you are pregnant and breastfeeding, you aren't just eating for two; you are eating for three. On average, a nursing, pregnant parent may need an additional 500 to 800 calories per day to sustain both processes.

Focus on nutrient-dense foods:

Protein: Essential for the baby's growth and your milk production. Aim for an extra 25 grams of protein daily.
Calcium: Your body will prioritize the fetus and the nursing child, so if you aren't consuming enough calcium, your body will pull it from your own bones. Leafy greens, almonds, and dairy (if tolerated) are excellent sources.
Healthy Fats: DHA is crucial for fetal brain development and the quality of your breast milk.

2. Hydration is Non-Negotiable

Dehydration is a leading cause of a drop in milk supply, and pregnancy already increases your fluid needs. Aim for 80 to 128 ounces of water daily. If plain water feels boring (especially if you're dealing with morning sickness), our Lactation LeMOOnade™ or Pumpin Punch™ are fantastic ways to stay hydrated while getting an extra boost of lactation-supporting ingredients.

3. Use Targeted Herbal Support

While some herbs should be avoided during pregnancy, there are others that many parents find helpful. However, the most important rule is to always consult your healthcare provider before starting any new supplement while pregnant.

At Milky Mama, we offer several supplements designed to support supply without the use of controversial ingredients.

Lady Leche™: This is one of our most popular herbal supplements, designed to help support milk flow and volume.
Dairy Duchess™: Formulated with goat's rue, this supplement is often used to support mammary tissue development, which can be helpful if you feel your supply is flagging.

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

4. Prioritize Rest

It sounds cliché, but "sleep when the baby sleeps" has never been more relevant. High cortisol levels from stress and exhaustion can actively inhibit the let-down reflex. If you are exhausted, your body will prioritize its own survival over milk production.

5. Managing Nipple Sensitivity

Sore nipples are often the first sign of pregnancy for a breastfeeding mom. To keep nursing comfortable enough to maintain your supply, try:

Adjusting the latch. Even a toddler who has nursed for years might need a "refresher" on a deep latch if your nipples are extra sensitive.
Using cold compresses after a session.
Applying a pregnancy-safe nipple balm.
Shortening nursing sessions. Sometimes, five minutes of quality nursing is better than twenty minutes of painful nursing.

The Reality of "Dry Nursing"

For some parents, the milk supply may drop to nearly zero during the second trimester, despite all interventions. This leads to what we call "dry nursing," where the child continues to nurse for comfort even though very little milk is being produced.

If your child is under one year old and your supply drops, it is vital to work with your pediatrician to ensure they are receiving adequate nutrition from a supplemental source, as they still rely on milk as their primary nutrition. If your child is a toddler, they may be perfectly content to dry nurse for the emotional connection.

Preparing for Tandem Nursing

If you choose to continue breastfeeding through your pregnancy, you may eventually find yourself "tandem nursing"—feeding both your newborn and your older child.

The Benefits of Tandem Nursing

Tandem nursing can be a beautiful way to help an older sibling adjust to the new baby. It provides them with a sense of security and "home" during a time of big changes.

Bonding: It fosters a unique connection between siblings.
Supply Management: Newborns are not always efficient at emptying the breast. Having an older toddler can help prevent engorgement and keep your supply high in those early weeks.
Emotional Comfort: It can reduce sibling rivalry by showing the older child that they haven't been "replaced" at the breast.

Setting Boundaries

It is okay to have "nursing manners." If you are feeling overwhelmed, you can set boundaries with your older child, such as only nursing during certain times of the day or for the length of a specific song. Remember, your well-being matters too. You cannot pour from an empty cup—or an empty breast!

Milky Mama's Role in Your Journey

We know that breastfeeding isn't always easy, and pregnancy adds a whole new layer of complexity. Our goal is to provide you with the community and products that make this journey feel a little lighter.

If you are looking for a delicious way to support your body, our Lactation Snacks are a great addition to your daily routine. Our bestseller, the Emergency Brownies, is a fan favorite for a reason—they are decadent, supportive, and the perfect treat for a busy, pregnant mama.

If you are more of a cookie lover, our Oatmeal Chocolate Chip Cookies or the Fruit Sampler provide that comforting, homemade taste with the added benefit of oats and other galactagogues.

Beyond products, we believe in education. If you're feeling overwhelmed about how to handle the arrival of the new baby, consider enrolling in one of our online breastfeeding classes. Knowledge is power, and being prepared can take the stress out of those first few weeks.

When Weaning is the Right Choice

We want to normalize the fact that sometimes, weaning during pregnancy is the healthiest choice for the parent. Whether it's due to extreme nipple pain, severe morning sickness, or simply feeling "touched out," choosing to wean is not a failure.

If you decide to wean, do so gradually to avoid engorgement or mastitis. You can "drop a feed" every few days, replacing it with a snack, a cup of water, or a cuddle. Your bond with your child is not defined solely by breastfeeding. You are still their safe space, their comfort, and their world.

Frequently Asked Questions (FAQs)

1. Will my toddler be taking milk away from the new baby?

No. Your body is incredible and will prioritize the needs of the newborn. In the final weeks of pregnancy, your body will produce colostrum specifically for the new arrival. Once the baby is born, your body will respond to the increased demand of two nursing children by increasing its overall supply. Just ensure the newborn nurses first in the early days to get that vital colostrum.

2. Why does my milk taste different now that I'm pregnant?

The hormonal changes during pregnancy alter the sodium and chloride levels in your milk, making it taste saltier and less sweet. This is a sign that your body is transitioning back to producing colostrum. Some children don't mind the change, while others may self-wean because of it.

3. Can I use lactation supplements while pregnant?

Many parents do use supplements, but it is critical to choose products that are safe for pregnancy. At Milky Mama, we recommend discussing our Herbal Lactation Supplements with your doctor or midwife before use. Avoid any supplements that contain ingredients specifically contraindicated for pregnancy.

4. How many extra calories do I need if I am pregnant and nursing?

While every body is different, most experts recommend an additional 300-500 calories for the pregnancy and another 300-500 for breastfeeding. This means you may need 600-1,000 extra calories a day compared to your pre-pregnancy needs. Listen to your hunger cues and focus on whole, nutrient-dense foods.

Conclusion

Navigating the waters of increasing or maintaining milk supply while pregnant is a journey of patience, resilience, and a lot of grace. It is a time when your body is performing a miraculous "double duty," and that effort deserves to be celebrated. Whether you continue to nurse until your due date or decide that weaning is the best path for your mental and physical health, you are doing a phenomenal job.

Remember, breastfeeding is natural, but it doesn't always come naturally—especially when pregnancy hormones are added to the mix. Surround yourself with a supportive community, like The Official Milky Mama Lactation Support Group on Facebook, where you can connect with other parents who are in the exact same boat.

If you need a little extra boost, whether it's through our Milky Melon™ lactation drink or a bag of our Salted Caramel Cookies, we are here to provide the nourishment you deserve.

You’ve got this, Mama. Every drop, every cuddle, and every effort counts.

Ready for more support?

Shop our full collection of Lactation Treats.
Explore our Herbal Supplements.
Book a Virtual Consultation for personalized help.
Follow us on Instagram for daily tips and encouragement.

Disclaimer: This content is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Always consult with your healthcare provider or a certified lactation consultant before starting any new supplement or making significant changes to your breastfeeding routine, especially during pregnancy.

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How to Increase Milk Supply When Pregnant

Table of Contents

Introduction