In the hours and days after birth, when mothers are most vulnerable and most receptive to guidance, the advice they receive may be quietly working against them. A peer-reviewed evidence review published in the Journal of Maternal-Fetal & Neonatal Medicine finds that three widely practiced clinical beliefs — about the adequacy of early milk, the danger of pacifiers, and the utility of electric pumps — are rooted more in institutional habit than in science. The study, led by researchers at Sapienza University of Rome and drawing on seventy-eight studies across six continents, arrives as a quiet
Evidence review debunks three major breastfeeding myths in early postnatal care
Small changes in those first three days could make a real difference for families.
Mark
Why do you think these myths persist so strongly if the evidence contradicts them?
Mimi
Because they feel true. A newborn's stomach is tiny, and colostrum comes in small volumes. To someone who hasn't seen the physiology, it looks insufficient. And once a hospital starts supplementing with formula, the cycle reinforces itself—less stimulation, less milk, more fear. The myth becomes self-fulfilling.
Mark
But hospitals aren't trying to sabotage breastfeeding. They're trying to protect babies.
Mimi
Exactly. That's what makes it so persistent. The intention is protective. But protection based on outdated assumptions can become its own harm. A mother already anxious about her milk supply gets told her colostrum isn't enough, and suddenly she's not just feeding her baby—she's fighting her own doubt.
Mark
What about the pacifier restriction? That seems like it should be easier to change.
Mimi
You'd think so. But it's been standard practice for decades. Changing it means admitting the old guidance was wrong, and it means trusting parents to make their own choice rather than enforcing a rule. Some hospitals find that harder than you'd expect.
Mark
And the breast pump—that one surprised me. Pumps seem helpful.
Mimi
They are helpful, but not in the first days. Early pumping can actually signal to a mother that her breasts aren't doing the job, that she needs a machine. It shifts the narrative from her body being capable to her body being insufficient. Hand expression is gentler, more intimate, and it doesn't carry that psychological weight.
Mark
So the real issue is messaging?
Mimi
Partly. But it's also about what we measure and what we assume. If you assume colostrum is insufficient, you'll see evidence of insufficiency everywhere. If you trust the physiology, you see something different. The evidence was always there. We just weren't looking at it the right way.
Le Pouls
- Mothers in maternity wards worldwide are receiving confident, well-intentioned advice that a major evidence review now suggests may be actively undermining breastfeeding in its most critical window.
- The belief that colostrum is insufficient has quietly driven early formula introduction for decades, creating a self-fulfilling cycle: less stimulation, less milk, more fear — and ultimately, earlier cessation.
- Pacifier bans, long treated as protective orthodoxy, are not supported by randomized controlled trials in healthy full-term infants, leaving families navigating restrictions that carry no evidential weight.
- Early electric pump use — ubiquitous on postnatal wards — may reinforce the very anxiety it is meant to resolve, with hand expression emerging as the preferred alternative when expression is genuinely needed.
- The researchers propose five concrete reforms, from prenatal education about colostrum to guaranteed lactation consultant access within forty-eight hours, framing them not as a challenge to breastfeeding goals but as a way to finally close the gap between intention and evidence.
In the hours and days after birth, when mothers are most vulnerable and most receptive to guidance, the advice they receive may be quietly working against them. A peer-reviewed evidence review published in the Journal of Maternal-Fetal & Neonatal Medicine finds that three widely practiced clinical beliefs — about the adequacy of early milk, the danger of pacifiers, and the utility of electric pumps — are rooted more in institutional habit than in science. The study, led by researchers at Sapienza University of Rome and drawing on seventy-eight studies across six continents, arrives as a quiet but consequential call to realign postnatal care with what the evidence actually shows.
A new evidence review, published in the Journal of Maternal-Fetal & Neonatal Medicine to coincide with World Breastfeeding Week, challenges three clinical practices that have become so routine in maternity wards that they are rarely questioned — and finds that each one may be undermining the breastfeeding outcomes hospitals are trying to protect.
Led by pediatrician Maria Di Chiara at Sapienza University of Rome, the review examined seventy-eight studies from countries across six continents. What emerged was a consistent pattern: well-meaning clinical habits, hardened into convention, are working against mothers in the seventy-two hours when breastfeeding is either established or abandoned.
The first misconception concerns colostrum. Hospitals have long treated early milk as insufficient, prompting formula supplementation within hours of birth. But in healthy full-term newborns, colostrum is physiologically matched to both stomach size and nutritional need. Di Chiara notes that perceived low supply is the most commonly cited reason for early formula introduction worldwide — and that in most cases, the concern reflects unrealistic expectations rather than genuine insufficiency. Unnecessary supplementation then reduces breast stimulation, lowering actual supply and reinforcing the original fear.
The second myth surrounds pacifiers. Many wards restrict them entirely, assuming artificial teats interfere with breastfeeding. Randomized controlled trials in healthy full-term infants show otherwise: pacifier use does not reduce breastfeeding duration or exclusivity. Co-author Gianluca Terrin states that routine restrictions are unsupported by current evidence and should be reconsidered in favor of informed parental choice.
The third concerns electric breast pumps, which are widely introduced early to stimulate supply or gauge production. The review found little evidence supporting this routine use, and some indication that early pumping may deepen mothers' anxiety about supply. When expression is genuinely needed, hand expression is generally preferable in the first days after birth.
The authors propose five practical reforms: realistic prenatal education about colostrum and expected newborn weight loss; hand expression as the first method when milk expression is needed; structured, medically justified protocols for formula supplementation; balanced counseling to replace blanket pacifier bans; and access to a trained lactation consultant within the first forty-eight hours. Di Chiara reflects that what surprised her most was how often routine, well-meaning advice runs ahead of the evidence — and how much a few small changes in those first three days could mean for families.
In the first seventy-two hours after birth, mothers on maternity wards across the world are receiving advice that feels urgent and authoritative but may actually work against them. A new evidence review published in the Journal of Maternal-Fetal & Neonatal Medicine, timed to coincide with World Breastfeeding Week, suggests that three deeply entrenched clinical practices rest on misconceptions rather than science—and that abandoning them could meaningfully improve breastfeeding outcomes when they matter most.
The review, led by pediatrician Maria Di Chiara at Sapienza University of Rome, examined seventy-eight published studies from countries including the United States, Italy, Germany, Australia, India, and Mexico. What emerged was a pattern: well-meaning hospital staff, acting on beliefs that have calcified into routine, are inadvertently undermining the very thing they are trying to support. The first myth concerns colostrum itself—the thick, nutrient-dense milk a mother produces immediately after birth. Hospitals have long treated it as insufficient, a reason to introduce formula within hours. But the evidence shows something different. In healthy full-term newborns, colostrum production is physiologically calibrated to match both stomach capacity and nutritional need. The problem is not the milk. It is expectation. "Perceived insufficient milk supply is the most commonly reported reason for the early introduction of formula and premature breastfeeding cessation worldwide," Di Chiara notes. "But in most cases, these concerns reflect unrealistic expectations rather than a genuine problem with milk production." Unnecessary supplementation creates a vicious cycle: less breast stimulation leads to lower milk production, which reinforces the original fear.
The second myth concerns pacifiers. Many maternity wards restrict them outright, operating under the assumption that artificial teats will interfere with breastfeeding. Randomized controlled trials tell a different story. In healthy full-term infants, pacifier use does not reduce either the duration of breastfeeding or its exclusivity. Co-author Gianluca Terrin, from the Department of Mother and Child at Sapienza, states plainly: "Routine pacifier restrictions in maternity settings are not supported by current evidence and should be reconsidered." Older international guidance recommended avoiding them altogether. Newer guidance pivots toward informed parental choice.
The third myth involves electric breast pumps. They are ubiquitous in postnatal wards, often introduced early to stimulate milk supply or assess production. Yet the review found little evidence supporting their routine use in the first days after birth. In some cases, early pumping may actually worsen outcomes by reinforcing the perception that milk supply is low. When expression is genuinely needed—because of a poor latch or temporary separation—hand expression is generally preferable. "While electric breast pumps have an important role in specific clinical situations, they should not be considered as a routine breastfeeding tool in the first days after birth," Terrin explains.
The timing of this review matters. Global breastfeeding rates remain below targets set by the World Health Organization, which recommends exclusive breastfeeding for the first six months. Fewer than half of infants worldwide achieve this, and in many wealthy countries the proportion is substantially lower. Di Chiara's motivation for the review came from watching mothers on the ward, overwhelmed by fear that they were failing their babies despite their commitment. She wanted to know what the evidence actually said, not what convention assumed.
The authors propose five concrete changes to postnatal practice: provide realistic prenatal education about colostrum volumes and expected weight loss; use hand expression as the first method when milk expression is needed; implement structured protocols for formula supplementation only when medically necessary; replace blanket pacifier restrictions with balanced counseling; and ensure access to a trained lactation consultant within the first forty-eight hours. These shifts do not contradict WHO guidance on exclusive breastfeeding. Rather, they address the gap between what hospitals routinely do and what evidence supports—a gap that is particularly wide in high-income healthcare settings.
Di Chiara reflects on what surprised her most: "How often well-meaning, routine advice runs ahead of the evidence. Small changes in those first three days could make a real difference for families." The review does not challenge the goal of exclusive breastfeeding for six months. It identifies practical opportunities to align maternity care with the best available evidence during the critical window when breastfeeding is established or abandoned.
Citations marquantes
Perceived insufficient milk supply is the most commonly reported reason for early formula introduction and premature breastfeeding cessation worldwide, but in most cases these concerns reflect unrealistic expectations rather than a genuine problem with milk production.— Maria Di Chiara, pediatrician at Sapienza University of Rome
Routine pacifier restrictions in maternity settings are not supported by current evidence and should be reconsidered.— Professor Gianluca Terrin, Department of Mother and Child, Sapienza University of Rome
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