“Why Did I Have Plenty of Milk with My First Baby but Less with My Second?” A Comparative Analysis
by: Mom Marvic Pujol
Introduction
Many moms are caught off guard when they realize their milk supply with their second baby is noticeably less than it was with their first. “Why is this happening? I used to produce so much milk!” If you’re experiencing the same, you’re not alone. In this article, we’ll explore possible reasons behind this difference, supported by scientific studies, and provide practical strategies to help improve your milk supply.
1. The Physiology of Milk Production: How Milk is Made
According to La Leche League International, breastmilk is produced based on the principle of supply and demand. The more frequently you breastfeed or pump, the more signals your body receives to produce milk.
With a first baby, moms are often more focused, with uninterrupted time to nurse frequently resulting in consistent stimulation and strong milk production.
2. Comparative Study: First-Time vs. Experienced Moms
A study published in Pediatrics (2002) by Dewey et al. compared milk output among first-time and experienced mothers. The findings showed:
“Multiparous women (those with more than one child) tended to have slightly lower milk output in the first weeks postpartum, primarily due to shorter or less frequent feedings.”
What this means:
Milk supply does not automatically increase with each child. It depends heavily on feeding patterns, stress levels, and the mother’s physical condition during each pregnancy and postpartum phase.
3. Lifestyle & Physical Factors: Mom is Busier the Second Time Around
By the time a mom has her second child, she’s usually juggling more caring for the older child, managing the household, possibly returning to work. According to a systematic review in the Maternal & Child Nutrition Journal (2015):
“Stress, fatigue, and inadequate rest are significant barriers to optimal lactation performance.”
In addition, you may be:
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Getting less skin-to-skin contact with the new baby
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Using bottles or pacifiers more (which can reduce breast stimulation)
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Delaying initial breastfeeding due to hospital or recovery factors
4. Hormonal and Medical Differences Between Pregnancies
There can also be physiological reasons for lower milk supply in subsequent births. According to the Academy of Breastfeeding Medicine, factors that can affect milk supply include:
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Thyroid issues (which are more common postpartum)
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Retained placenta fragments
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C-section recovery (delayed onset of milk production)
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Use of hormonal birth control too soon
If you suspect any of these, it’s best to consult with a lactation consultant or OB-GYN for a personalized assessment.
5. Mental Load & Pressure: Expectations vs. Reality
Sometimes, the belief that “I had plenty of milk before, I should have the same now” puts unnecessary pressure on moms. But the truth is, every breastfeeding journey is unique. According to Harvard Medical School (2020):
“Cortisol (the stress hormone) can inhibit oxytocin, the hormone responsible for milk letdown.”
So stressing over low milk supply may actually make it worse. Managing expectations and caring for your mental health is just as crucial as physical care.
6. What Can You Do to Increase Milk Supply with Your Second Baby?
If you’re experiencing low milk supply, here are some science-backed strategies:
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Nurse or pump frequently (at least every 2–3 hours)
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Start breastfeeding within the first hour after birth if possible
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Practice skin-to-skin contact to boost oxytocin levels
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Avoid unnecessary formula supplementation
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Consider galactagogues (milk boosters) like moringa, flaxseeds, and oats – always with guidance
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Prioritize rest and hydration – Your body needs fuel to produce milk!
Some moms also find comfort in simple, nourishing treats designed to support lactation. For example, many have turned to lactation-friendly snacks, which include ingredients such as oats, moringa, brewer's yeast and flaxseed that traditionally used to support milk production. These small boosts can make a big difference, especially when paired with consistent nursing or pumping.
Conclusion: Different Babies, Different Journeys
Having less milk the second time around doesn’t make you less of a mom. Each breastfeeding experience comes with its own challenges and rhythms. What matters most is your commitment to caring for your child and doing your best. If needed, don’t hesitate to reach out to a lactation expert—because no one should go through this journey alone.
References:
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Dewey KG et al. (2002). “Maternal and infant characteristics associated with the duration of lactation.” Pediatrics.
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Kent JC et al. (2015). “Effect of Maternal Factors on Lactation.” Maternal & Child Nutrition.
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Harvard Health Publishing. (2020). “Stress and breastfeeding: A two-way street.”
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La Leche League International. www.llli.org
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Academy of Breastfeeding Medicine Clinical Protocols. www.bfmed.org
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