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Share your dilemmas and get honest opinions from other Mumsnetters.

Nurse said something strange about breastfed babies

308 replies

Chocolateegg123 · 23/07/2025 19:14

My 8 week old had her jabs today. The nurse at my GP surgery was taking an awfully long time getting down to business and kept faffing around such as explaining how to use a syringe for the calpol for about ten minutes. Then, she asked me if I was breastfeeding and when I answered yes, she asked how it was going.

I was honest and explained I’d found it hard and we had to combi feed etc but that my mental health had been really awful whilst breastfeeding and so I have considered moving over to formula.

She then completely matter of factly stated… “breastfed babies are more intelligent so if you can continue feeding her your milk you should.”

I was kind of taken a back as I didn’t think this was true but also is this kind of advice ok for a health professional to give? Whenever I have gone to a local breastfeeding clinic or spoken to a professional about my struggles they have never ever said anything like this?

I guess I want to know if I would be unreasonable to complain about this nurse? She has been unprofessional in the past when I went to have a vaccine during pregnancy and now this. However - is it true that breastfed babies are more intelligent? This has added to my guilt and anxiety over my breastfeeding journey now. Help!

OP posts:
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ohnotthisagain2025 · 30/07/2025 22:50

ohnotthisagain2025 · 30/07/2025 02:18

No it is definitely NOT true, but this used to be trotted out regularly by breastfeeding nazis, here and elsewhere. Correlation is very much NOT causation in this case.

I remember pointing out that the reason some women had time to breastfeed was they were wealthier and had more time to sit around interacting with their kids, and women who are wealthy enough to stay home and breastfeed also generally have tons of time to sit and play with their kids, stimulate them, take them to classes and get them tutors and etc, this would seem to indicate that breastfeeding = higher IQ could be safely debunked as having confounding variables.

Turns out, I was right.

“Gibbs and Forste found that reading to an infant every day as early as age 9 months and sensitivity to the child's cues during social interactions, rather than breastfeeding...were significant predictors of reading readiness at age 4 years,”

She is going by ancient, debunked history. I'd say you should send her links to the proper studies, but breast feeding nazis never listen anyway.

Oh and yeah, I breastfed both of mine, before any of the nazis start in on me. I just know there's a lot more to parenting than being a smug cow who thinks they're better than those who don't have the luxury of wealth and time.

https://news.byu.edu/news/study-shows-why-breastfed-babies-are-so-smart

"In reality, the causal link is much more tenuous. We can see this by looking carefully at a number of studies that compare children who were breastfed to their siblings who were not. These studies tend to find no relationship between breastfeeding and IQ. The children who were nursed did no better on IQ tests than their siblings who were not." from sciencefriday.com /articles/ does-breastfeeding-affect-intelligence/

There's tons of those articles out there, but unfortunately once an unproven idea is embraced by bigots it is hard to shake.

Edited

So yep, the nurse is a pos and can be completely ignored. Sorry you experienced her bigotry OP.

Saltylady · 30/07/2025 23:01

Well there is definitely evidence that breastfed babies are more intelligent, but research is mixed as to whether this is a causal link.Some research studies have shown that even when factors such as parental intelligence and socio-economic differences are removed, that breastfed babies are still smarter , where as other studies have not!
The nurse wasn't wrong, as the evidence is mixed, so I'm not sure you have grounds for complaint.
Leaving intelligence Side, it is still an indisputable fact, that for many reasons, breastfeeding is best where possible.

summertimeinLondon · 30/07/2025 23:04

ohnotthisagain2025 · 30/07/2025 22:49

Nope, I'm right, it has. And I provided links, but you already know this.

I knew pointing out the breast feeding nazis got it completely wrong would upset the breast feeding nazis - job done :)😎

You provided a news article, but several posters have provided many more links to a variety of other actual recent studies upthread. Have you read them? Are you going to address them all?

Nasrine · 31/07/2025 09:29

@ohnotthisagain2025

I suspect you're trolling here, but would you be willing to say what in your eyes makes someone a 'breastfeeding nazi'? Is it that they don't share your views on the benefits of breastfeeding? What makes them 'a nazi'?

I trained with a charity recently as a breastfeeding peer supporter, and I don't share your opinion on the evidence on breastfeeding and brain development/IQ. Does this mean I'm a 'breastfeeding nazi'? Would you be willing to point to anything I've said on this thread that you see as evidence that I'm cruel and hateful? Or is it just a term you've chucked at women in the past without thinking very much about what you're saying?

The women I trained with on the peer supporter group were mums of all ages and from a wide range of backgrounds. The thing we shared was that we'd all struggled with breastfeeding at one time. The other thing we shared was a willingness to give our time unpaid to help mums who were looking for support with breastfeeding. Would this qualify us as 'breastfeeding nazis'?

I've reported your comments by the way .

Oddsocksanduglyshoes · 31/07/2025 11:42

Sp0rtB3rry · 24/07/2025 05:52

Re the benefits of breast feeding on intelligence, it’s actually negligible which ironically is pretty obvious to anybody with a modiicum of intelligence:-

“ But even this may not be fully sufficient. It would be useful to compare children with the same mother, with and without breastfeeding. This study was able to do that, by looking at a sample of siblings where one sibling was breastfed and one was not. This analysis – sometimes called a “sibling fixed effects” analysis – is able to fully control for all characteristics of the mother and is a more convincing way to isolate the impacts of breastfeeding. When the authors did this, they found that the effect of breastfeeding on IQ was 0.02 points – basically, zero.”

www.theguardian.com/lifeandstyle/2019/jun/20/is-breast-really-best-i-looked-at-all-the-data-to-find-out

That is an interesting study and definitely a good way to rule out other factors.

norsesummer · 31/07/2025 11:58

I could not breastfeed (I did not produce milk!) and my son went to Oxford. Utter nonsense.

Nasrine · 31/07/2025 19:14

norsesummer · 31/07/2025 11:58

I could not breastfeed (I did not produce milk!) and my son went to Oxford. Utter nonsense.

Repeating more loudly for people at the back (again) not a single study on the link between infant feeding and IQ has posited that people who were not breastfed as infants are unintelligent.

Nasrine · 31/07/2025 19:41

@Sp0rtB3rry

"Re the benefits of breast feeding on intelligence, it’s actually negligible which ironically is pretty obvious to anybody with a modiicum of intelligence"

Why is it 'pretty obvious to anybody with a modicum of intelligence'?

Experiences in the first year of life have an impact on infant brain development, which in turn may have an impact on cognitive development and IQ - breastfeeding is not the same as bottle feeding. Not the milk nor the actual act of feeding.

This study done by a team at a top US university suggested that the impact of infant feeding is identifiable with MRI. They looked at 133 babies ranging in ages from 10 months to four years. All of the babies had normal gestation times, and all came from families with similar socioeconomic statuses.

The study showed that the exclusively breastfed group had the fastest growth in myelinated white matter of the three groups, with the increase in white matter volume becoming substantial by age 2. The group fed both breastmilk and formula had more growth than the exclusively formula-fed group, but less than the breastmilk-only group.

“We’re finding the difference [in white matter growth] is on the order of 20 to 30 percent, comparing the breastfed and the non-breastfed kids,” said Deoni. “I think it’s astounding that you could have that much difference so early.”

https://pubmed.ncbi.nlm.nih.gov/23721722/

Pointing to sibling studies from 2005 isn't necessarily the trump card you think it is. But if you want to argue that sibling studies should be the last word on this issue, this sibling study from 2025 points to breastfeeding having a positive impact on child development. “Breastfeeding Duration and Child Development,” appeared in JAMA Network Open on March 24, 2025 (Volume 8, Issue 3, article e251540).

I think the point I'm making is that just saying 'you're not just wrong to believe that infant feeding might have some impact on brain development/IQ/cognitive development - you're unintelligent' - it's like we're not allowed to have a difference of opinion on this issue without opening ourselves up to personal abuse.

Breastfeeding and early white matter development: A cross-sectional study - PubMed

Does breastfeeding alter early brain development? The prevailing consensus from large epidemiological studies posits that early exclusive breastfeeding is associated with improved measures of IQ and cognitive functioning in later childhood and adolesce...

https://pubmed.ncbi.nlm.nih.gov/23721722/

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