When Breastfeeding Breaks You

by Emily O'Leary | Aug 14, 2025 | Perinatal Anxiety, Perinatal Depression

The Mental Health Toll No One Talks About

Breastfeeding is often presented as the most natural and essential thing a mother can do. It’s praised for its immune-boosting benefits, its role in bonding, and its supposed lifelong advantages. So when it doesn’t work, why does it feel like you’re failing?

In my clinical work, I sit with mothers who are anxious, exhausted, and quietly grieving – not over their baby’s health, but over how feeding has become a battleground. Many arrive after weeks of sleepless nights, triple feeding, and quietly questioning whether their mental health is breaking under the weight of “doing the right thing.”

When Breastfeeding Doesn’t Go to Plan

There’s no denying that breastfeeding can be a beautiful, bonding experience. But for many women, it’s also physically painful, mentally depleting, and emotionally loaded. Terms like low supply, poor latch, exclusive feeding, and nipple trauma enter the vocabulary with frightening speed. And somewhere in the fog, mothers start to ask: Is this supposed to feel this hard?

Research has begun to catch up with what mothers have been saying for decades. A UK study (Borra et al., 2015) found that women who intend to breastfeed but can’t are at higher risk for postnatal depression than those who didn’t plan to breastfeed at all. In other words, the mismatch between intention and experience can be psychologically harmful, especially in the context of relentless societal pressure.

Unpacking the Claims: Does Breastfeeding Really Make Kids Smarter?

Much of the shame around formula feeding stems from bold claims about breastfeeding’s long-term benefits. You’ve likely heard it: breastfeeding boosts IQ, reduces obesity, and protects against every imaginable health issue.

But the evidence isn’t as clear as we’ve been led to believe.

In Cribsheet, economist and parenting researcher Emily Oster reviewed hundreds of breastfeeding studies. She found that while there’s a correlation between breastfeeding and outcomes like higher IQ, it’s largely driven by confounding factors. Women who breastfeed are more likely to be highly educated, financially secure, and have access to quality healthcare – all of which independently affect child outcomes.

One particularly rigorous study controlled for these factors and even compared siblings – one breastfed, one not. The result? The difference in IQ dropped from 4 points to 0.02 points. Statistically, that’s nothing.

Breastfeeding does have short-term health benefits, especially for premature infants. It may reduce the risk of ear infections, support digestion in the first year, and slightly lower the mother’s risk of breast cancer. But the sweeping claims around intelligence, obesity, and lifelong immunity? The best-quality data simply doesn’t hold up.

Breastfeeding as a Moral Measure

The real issue isn’t just the science, it’s how we frame the science. Saying “breastfeeding has benefits” is vastly different from the message many women hear: This is the most important thing you can do for your child. If you don’t or can’t, you’re failing them.

This isn’t merely a communication issue, it’s an emotional one. When the feeding journey derails, it doesn’t just affect routines. It impacts a mother’s sense of identity, competence, and connection. It leaves her vulnerable to anxiety, intrusive thoughts, and depressive spirals – especially when every health visit, baby group, and social media post seems to reinforce that she’s not measuring up.

And this is where mental health truly enters the equation.

Breast May Be Best, But Not If It Breaks the Mother

As clinicians, we need to make space for nuance. Yes, breastfeeding is valuable. Yes, it should be supported. But no, it is not a moral yardstick. And no, it is not best if it’s breaking the mother’s body or mind.

The best feeding journey is the one that works for both mother and baby. That might be exclusive breastfeeding, combination feeding, or formula feeding from day one. What matters most is emotional availability, bonding, and maternal wellbeing, not the source of the milk.

What Support Should Really Look Like

True support doesn’t come from dogma, it comes from attunement. That means:

  • Helping mothers explore breastfeeding without pressure.
  • Supporting them if it works and also if it doesn’t.
  • Offering emotional support, not just lactation advice.
  • Validating formula feeding as a psychologically safe and nourishing choice.

This isn’t about choosing sides. It’s about recognising that feeding is not just a physical act, it’s a relational, emotional, and often psychological experience.

If you want more support, reach out to speak with one of our perinatal psychologists. We’re here to support you, not just your feeding plan.
info@foundationscentre.com.au
www.foundationscentre.com.au

 

Written by Emily O'Leary